Home / 132,212.40-182,452.04-71,781.85

Finding the Fourth Proportional to 132,212.40, 182,452.04 and 71,781.85

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Solution

The fourth proportional to 132,212.40, 182,452.04 and 71,781.85 is: 99,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.40 : 182,452.04 = 71,781.85 : x
  2. Step 2: Convert to fraction form
    132,212.40/182,452.04 = 71,781.85/x
  3. Step 3: Cross multiply
    132,212.40x = 182,452.04 × 71,781.85
  4. Step 4: Simplify right side
    132,212.40x = 13,096,744,483.29
  5. Step 5: Solve for x
    x = 13,096,744,483.29/132,212.40
  6. Step 6: Final answer
    x = 99,058.37

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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.