Home / 185,839.20-256,456.68-100,956.87

Finding the Fourth Proportional to 185,839.20, 256,456.68 and 100,956.87

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Solution

The fourth proportional to 185,839.20, 256,456.68 and 100,956.87 is: 139,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.20 : 256,456.68 = 100,956.87 : x
  2. Step 2: Convert to fraction form
    185,839.20/256,456.68 = 100,956.87/x
  3. Step 3: Cross multiply
    185,839.20x = 256,456.68 × 100,956.87
  4. Step 4: Simplify right side
    185,839.20x = 25,891,063,703.39
  5. Step 5: Solve for x
    x = 25,891,063,703.39/185,839.20
  6. Step 6: Final answer
    x = 139,319.71

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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.