Home / 185,839.30-256,458.54-100,956.43

Finding the Fourth Proportional to 185,839.30, 256,458.54 and 100,956.43

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Solution

The fourth proportional to 185,839.30, 256,458.54 and 100,956.43 is: 139,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,839.30 : 256,458.54 = 100,956.43 : x
  2. Step 2: Convert to fraction form
    185,839.30/256,458.54 = 100,956.43/x
  3. Step 3: Cross multiply
    185,839.30x = 256,458.54 × 100,956.43
  4. Step 4: Simplify right side
    185,839.30x = 25,891,138,641.41
  5. Step 5: Solve for x
    x = 25,891,138,641.41/185,839.30
  6. Step 6: Final answer
    x = 139,320.04

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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.