7/11 его длины равны 154 см

To find the length of the whole object, you can multiply the length of one part by the number of parts.

In this case, if 7/11 of the object's length is equal to 154 cm, we can set up a proportion to find the length of the whole object.

Let "x" be the length of the entire object.

(7/11) * x = 154 cm

To solve for "x", we can multiply both sides of the equation by 11/7:

x = (154 cm) * (11/7)

x = 242 cm

So, the length of the whole object is 242 cm.