Home / 178,845.60-267,961.20-85,149.60

Finding the Fourth Proportional to 178,845.60, 267,961.20 and 85,149.60

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Solution

The fourth proportional to 178,845.60, 267,961.20 and 85,149.60 is: 127,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,845.60 : 267,961.20 = 85,149.60 : x
  2. Step 2: Convert to fraction form
    178,845.60/267,961.20 = 85,149.60/x
  3. Step 3: Cross multiply
    178,845.60x = 267,961.20 × 85,149.60
  4. Step 4: Simplify right side
    178,845.60x = 22,816,788,995.52
  5. Step 5: Solve for x
    x = 22,816,788,995.52/178,845.60
  6. Step 6: Final answer
    x = 127,578.14

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1.5x scale

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.