Home / 109,949.40-165,252.15-95,515.20

Finding the Fourth Proportional to 109,949.40, 165,252.15 and 95,515.20

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Solution

The fourth proportional to 109,949.40, 165,252.15 and 95,515.20 is: 143,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.40 : 165,252.15 = 95,515.20 : x
  2. Step 2: Convert to fraction form
    109,949.40/165,252.15 = 95,515.20/x
  3. Step 3: Cross multiply
    109,949.40x = 165,252.15 × 95,515.20
  4. Step 4: Simplify right side
    109,949.40x = 15,784,092,157.68
  5. Step 5: Solve for x
    x = 15,784,092,157.68/109,949.40
  6. Step 6: Final answer
    x = 143,557.78

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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.