Home / 113,331.30-169,851.15-68,910.90

Finding the Fourth Proportional to 113,331.30, 169,851.15 and 68,910.90

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Solution

The fourth proportional to 113,331.30, 169,851.15 and 68,910.90 is: 103,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.30 : 169,851.15 = 68,910.90 : x
  2. Step 2: Convert to fraction form
    113,331.30/169,851.15 = 68,910.90/x
  3. Step 3: Cross multiply
    113,331.30x = 169,851.15 × 68,910.90
  4. Step 4: Simplify right side
    113,331.30x = 11,704,595,612.54
  5. Step 5: Solve for x
    x = 11,704,595,612.54/113,331.30
  6. Step 6: Final answer
    x = 103,277.70

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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.