Home / 99,165.17-136,834.16-58,331.15

Finding the Fourth Proportional to 99,165.17, 136,834.16 and 58,331.15

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Solution

The fourth proportional to 99,165.17, 136,834.16 and 58,331.15 is: 80,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.17 : 136,834.16 = 58,331.15 : x
  2. Step 2: Convert to fraction form
    99,165.17/136,834.16 = 58,331.15/x
  3. Step 3: Cross multiply
    99,165.17x = 136,834.16 × 58,331.15
  4. Step 4: Simplify right side
    99,165.17x = 7,981,693,227.91
  5. Step 5: Solve for x
    x = 7,981,693,227.91/99,165.17
  6. Step 6: Final answer
    x = 80,488.88

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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.