Home / 113,789.80-156,234.17-92,405.80

Finding the Fourth Proportional to 113,789.80, 156,234.17 and 92,405.80

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Solution

The fourth proportional to 113,789.80, 156,234.17 and 92,405.80 is: 126,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.80 : 156,234.17 = 92,405.80 : x
  2. Step 2: Convert to fraction form
    113,789.80/156,234.17 = 92,405.80/x
  3. Step 3: Cross multiply
    113,789.80x = 156,234.17 × 92,405.80
  4. Step 4: Simplify right side
    113,789.80x = 14,436,943,466.19
  5. Step 5: Solve for x
    x = 14,436,943,466.19/113,789.80
  6. Step 6: Final answer
    x = 126,873.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.