Home / 132,160.76-182,382.04-71,731.42

Finding the Fourth Proportional to 132,160.76, 182,382.04 and 71,731.42

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Solution

The fourth proportional to 132,160.76, 182,382.04 and 71,731.42 is: 98,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.76 : 182,382.04 = 71,731.42 : x
  2. Step 2: Convert to fraction form
    132,160.76/182,382.04 = 71,731.42/x
  3. Step 3: Cross multiply
    132,160.76x = 182,382.04 × 71,731.42
  4. Step 4: Simplify right side
    132,160.76x = 13,082,522,711.70
  5. Step 5: Solve for x
    x = 13,082,522,711.70/132,160.76
  6. Step 6: Final answer
    x = 98,989.46

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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.