Home / 132,155.27-182,374.45-71,725.91

Finding the Fourth Proportional to 132,155.27, 182,374.45 and 71,725.91

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Solution

The fourth proportional to 132,155.27, 182,374.45 and 71,725.91 is: 98,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.27 : 182,374.45 = 71,725.91 : x
  2. Step 2: Convert to fraction form
    132,155.27/182,374.45 = 71,725.91/x
  3. Step 3: Cross multiply
    132,155.27x = 182,374.45 × 71,725.91
  4. Step 4: Simplify right side
    132,155.27x = 13,080,974,238.06
  5. Step 5: Solve for x
    x = 13,080,974,238.06/132,155.27
  6. Step 6: Final answer
    x = 98,981.86

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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.