Home / 161,124.40-222,345.49-89,508.92

Finding the Fourth Proportional to 161,124.40, 222,345.49 and 89,508.92

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Solution

The fourth proportional to 161,124.40, 222,345.49 and 89,508.92 is: 123,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,124.40 : 222,345.49 = 89,508.92 : x
  2. Step 2: Convert to fraction form
    161,124.40/222,345.49 = 89,508.92/x
  3. Step 3: Cross multiply
    161,124.40x = 222,345.49 × 89,508.92
  4. Step 4: Simplify right side
    161,124.40x = 19,901,904,229.23
  5. Step 5: Solve for x
    x = 19,901,904,229.23/161,124.40
  6. Step 6: Final answer
    x = 123,518.88

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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.