Home / 161,104.72-222,318.33-89,489.32

Finding the Fourth Proportional to 161,104.72, 222,318.33 and 89,489.32

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Solution

The fourth proportional to 161,104.72, 222,318.33 and 89,489.32 is: 123,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,104.72 : 222,318.33 = 89,489.32 : x
  2. Step 2: Convert to fraction form
    161,104.72/222,318.33 = 89,489.32/x
  3. Step 3: Cross multiply
    161,104.72x = 222,318.33 × 89,489.32
  4. Step 4: Simplify right side
    161,104.72x = 19,895,116,175.24
  5. Step 5: Solve for x
    x = 19,895,116,175.24/161,104.72
  6. Step 6: Final answer
    x = 123,491.83

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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.