Home / 113,604.31-156,780.80-62,616.97

Finding the Fourth Proportional to 113,604.31, 156,780.80 and 62,616.97

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Solution

The fourth proportional to 113,604.31, 156,780.80 and 62,616.97 is: 86,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.31 : 156,780.80 = 62,616.97 : x
  2. Step 2: Convert to fraction form
    113,604.31/156,780.80 = 62,616.97/x
  3. Step 3: Cross multiply
    113,604.31x = 156,780.80 × 62,616.97
  4. Step 4: Simplify right side
    113,604.31x = 9,817,138,650.18
  5. Step 5: Solve for x
    x = 9,817,138,650.18/113,604.31
  6. Step 6: Final answer
    x = 86,415.20

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1.5x scale

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.