Home / 127,517.32-191,269.05-38,763.90

Finding the Fourth Proportional to 127,517.32, 191,269.05 and 38,763.90

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Solution

The fourth proportional to 127,517.32, 191,269.05 and 38,763.90 is: 58,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.32 : 191,269.05 = 38,763.90 : x
  2. Step 2: Convert to fraction form
    127,517.32/191,269.05 = 38,763.90/x
  3. Step 3: Cross multiply
    127,517.32x = 191,269.05 × 38,763.90
  4. Step 4: Simplify right side
    127,517.32x = 7,414,334,181.93
  5. Step 5: Solve for x
    x = 7,414,334,181.93/127,517.32
  6. Step 6: Final answer
    x = 58,143.74

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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.