Home / 125,693.17-173,446.31-74,002.11

Finding the Fourth Proportional to 125,693.17, 173,446.31 and 74,002.11

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Solution

The fourth proportional to 125,693.17, 173,446.31 and 74,002.11 is: 102,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.17 : 173,446.31 = 74,002.11 : x
  2. Step 2: Convert to fraction form
    125,693.17/173,446.31 = 74,002.11/x
  3. Step 3: Cross multiply
    125,693.17x = 173,446.31 × 74,002.11
  4. Step 4: Simplify right side
    125,693.17x = 12,835,392,446.30
  5. Step 5: Solve for x
    x = 12,835,392,446.30/125,693.17
  6. Step 6: Final answer
    x = 102,116.87

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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.