Home / 178,321.78-267,517.70-66,002.96

Finding the Fourth Proportional to 178,321.78, 267,517.70 and 66,002.96

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Solution

The fourth proportional to 178,321.78, 267,517.70 and 66,002.96 is: 99,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,321.78 : 267,517.70 = 66,002.96 : x
  2. Step 2: Convert to fraction form
    178,321.78/267,517.70 = 66,002.96/x
  3. Step 3: Cross multiply
    178,321.78x = 267,517.70 × 66,002.96
  4. Step 4: Simplify right side
    178,321.78x = 17,656,960,052.39
  5. Step 5: Solve for x
    x = 17,656,960,052.39/178,321.78
  6. Step 6: Final answer
    x = 99,017.41

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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.