Home / 178,234.90-267,503.55-73,129.30

Finding the Fourth Proportional to 178,234.90, 267,503.55 and 73,129.30

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Solution

The fourth proportional to 178,234.90, 267,503.55 and 73,129.30 is: 109,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,234.90 : 267,503.55 = 73,129.30 : x
  2. Step 2: Convert to fraction form
    178,234.90/267,503.55 = 73,129.30/x
  3. Step 3: Cross multiply
    178,234.90x = 267,503.55 × 73,129.30
  4. Step 4: Simplify right side
    178,234.90x = 19,562,347,359.02
  5. Step 5: Solve for x
    x = 19,562,347,359.02/178,234.90
  6. Step 6: Final answer
    x = 109,755.99

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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.