Home / 238,947.92-329,748.20-131,517.18

Finding the Fourth Proportional to 238,947.92, 329,748.20 and 131,517.18

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Solution

The fourth proportional to 238,947.92, 329,748.20 and 131,517.18 is: 181,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.92 : 329,748.20 = 131,517.18 : x
  2. Step 2: Convert to fraction form
    238,947.92/329,748.20 = 131,517.18/x
  3. Step 3: Cross multiply
    238,947.92x = 329,748.20 × 131,517.18
  4. Step 4: Simplify right side
    238,947.92x = 43,367,553,702.87
  5. Step 5: Solve for x
    x = 43,367,553,702.87/238,947.92
  6. Step 6: Final answer
    x = 181,493.75

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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.