Home / 132,439.39-182,761.33-72,010.08

Finding the Fourth Proportional to 132,439.39, 182,761.33 and 72,010.08

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Solution

The fourth proportional to 132,439.39, 182,761.33 and 72,010.08 is: 99,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,439.39 : 182,761.33 = 72,010.08 : x
  2. Step 2: Convert to fraction form
    132,439.39/182,761.33 = 72,010.08/x
  3. Step 3: Cross multiply
    132,439.39x = 182,761.33 × 72,010.08
  4. Step 4: Simplify right side
    132,439.39x = 13,160,658,416.43
  5. Step 5: Solve for x
    x = 13,160,658,416.43/132,439.39
  6. Step 6: Final answer
    x = 99,371.18

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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.