Home / 178,257.50-267,380.78-72,997.19

Finding the Fourth Proportional to 178,257.50, 267,380.78 and 72,997.19

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Solution

The fourth proportional to 178,257.50, 267,380.78 and 72,997.19 is: 109,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,257.50 : 267,380.78 = 72,997.19 : x
  2. Step 2: Convert to fraction form
    178,257.50/267,380.78 = 72,997.19/x
  3. Step 3: Cross multiply
    178,257.50x = 267,380.78 × 72,997.19
  4. Step 4: Simplify right side
    178,257.50x = 19,518,045,600.01
  5. Step 5: Solve for x
    x = 19,518,045,600.01/178,257.50
  6. Step 6: Final answer
    x = 109,493.55

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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.