Home / 161,172.56-222,392.04-89,551.28

Finding the Fourth Proportional to 161,172.56, 222,392.04 and 89,551.28

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Solution

The fourth proportional to 161,172.56, 222,392.04 and 89,551.28 is: 123,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,172.56 : 222,392.04 = 89,551.28 : x
  2. Step 2: Convert to fraction form
    161,172.56/222,392.04 = 89,551.28/x
  3. Step 3: Cross multiply
    161,172.56x = 222,392.04 × 89,551.28
  4. Step 4: Simplify right side
    161,172.56x = 19,915,491,843.81
  5. Step 5: Solve for x
    x = 19,915,491,843.81/161,172.56
  6. Step 6: Final answer
    x = 123,566.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.