Home / 558,747.07-838,148.28-159,446.68

Finding the Fourth Proportional to 558,747.07, 838,148.28 and 159,446.68

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Solution

The fourth proportional to 558,747.07, 838,148.28 and 159,446.68 is: 239,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,747.07 : 838,148.28 = 159,446.68 : x
  2. Step 2: Convert to fraction form
    558,747.07/838,148.28 = 159,446.68/x
  3. Step 3: Cross multiply
    558,747.07x = 838,148.28 × 159,446.68
  4. Step 4: Simplify right side
    558,747.07x = 133,639,960,593.71
  5. Step 5: Solve for x
    x = 133,639,960,593.71/558,747.07
  6. Step 6: Final answer
    x = 239,177.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.