Home / 119,932.90-165,517.11-68,962.20

Finding the Fourth Proportional to 119,932.90, 165,517.11 and 68,962.20

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Solution

The fourth proportional to 119,932.90, 165,517.11 and 68,962.20 is: 95,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,932.90 : 165,517.11 = 68,962.20 : x
  2. Step 2: Convert to fraction form
    119,932.90/165,517.11 = 68,962.20/x
  3. Step 3: Cross multiply
    119,932.90x = 165,517.11 × 68,962.20
  4. Step 4: Simplify right side
    119,932.90x = 11,414,423,863.81
  5. Step 5: Solve for x
    x = 11,414,423,863.81/119,932.90
  6. Step 6: Final answer
    x = 95,173.42

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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.