Home / 132,180.85-182,404.20-71,749.18

Finding the Fourth Proportional to 132,180.85, 182,404.20 and 71,749.18

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Solution

The fourth proportional to 132,180.85, 182,404.20 and 71,749.18 is: 99,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.85 : 182,404.20 = 71,749.18 : x
  2. Step 2: Convert to fraction form
    132,180.85/182,404.20 = 71,749.18/x
  3. Step 3: Cross multiply
    132,180.85x = 182,404.20 × 71,749.18
  4. Step 4: Simplify right side
    132,180.85x = 13,087,351,778.56
  5. Step 5: Solve for x
    x = 13,087,351,778.56/132,180.85
  6. Step 6: Final answer
    x = 99,010.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.