Home / 236,215.97-354,251.18-67,691.06

Finding the Fourth Proportional to 236,215.97, 354,251.18 and 67,691.06

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Solution

The fourth proportional to 236,215.97, 354,251.18 and 67,691.06 is: 101,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,215.97 : 354,251.18 = 67,691.06 : x
  2. Step 2: Convert to fraction form
    236,215.97/354,251.18 = 67,691.06/x
  3. Step 3: Cross multiply
    236,215.97x = 354,251.18 × 67,691.06
  4. Step 4: Simplify right side
    236,215.97x = 23,979,635,770.74
  5. Step 5: Solve for x
    x = 23,979,635,770.74/236,215.97
  6. Step 6: Final answer
    x = 101,515.73

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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.