Home / 178,517.80-267,445.34-127,812.20

Finding the Fourth Proportional to 178,517.80, 267,445.34 and 127,812.20

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Solution

The fourth proportional to 178,517.80, 267,445.34 and 127,812.20 is: 191,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,517.80 : 267,445.34 = 127,812.20 : x
  2. Step 2: Convert to fraction form
    178,517.80/267,445.34 = 127,812.20/x
  3. Step 3: Cross multiply
    178,517.80x = 267,445.34 × 127,812.20
  4. Step 4: Simplify right side
    178,517.80x = 34,182,777,285.15
  5. Step 5: Solve for x
    x = 34,182,777,285.15/178,517.80
  6. Step 6: Final answer
    x = 191,481.06

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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.