Home / 132,517.22-182,871.88-72,088.31

Finding the Fourth Proportional to 132,517.22, 182,871.88 and 72,088.31

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Solution

The fourth proportional to 132,517.22, 182,871.88 and 72,088.31 is: 99,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,517.22 : 182,871.88 = 72,088.31 : x
  2. Step 2: Convert to fraction form
    132,517.22/182,871.88 = 72,088.31/x
  3. Step 3: Cross multiply
    132,517.22x = 182,871.88 × 72,088.31
  4. Step 4: Simplify right side
    132,517.22x = 13,182,925,052.68
  5. Step 5: Solve for x
    x = 13,182,925,052.68/132,517.22
  6. Step 6: Final answer
    x = 99,480.85

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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.