Home / 104,839.20-156,951.60-92,551.20

Finding the Fourth Proportional to 104,839.20, 156,951.60 and 92,551.20

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Solution

The fourth proportional to 104,839.20, 156,951.60 and 92,551.20 is: 138,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,839.20 : 156,951.60 = 92,551.20 : x
  2. Step 2: Convert to fraction form
    104,839.20/156,951.60 = 92,551.20/x
  3. Step 3: Cross multiply
    104,839.20x = 156,951.60 × 92,551.20
  4. Step 4: Simplify right side
    104,839.20x = 14,526,058,921.92
  5. Step 5: Solve for x
    x = 14,526,058,921.92/104,839.20
  6. Step 6: Final answer
    x = 138,555.61

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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.