Home / 132,279.15-182,445.18-91,972.74

Finding the Fourth Proportional to 132,279.15, 182,445.18 and 91,972.74

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Solution

The fourth proportional to 132,279.15, 182,445.18 and 91,972.74 is: 126,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.15 : 182,445.18 = 91,972.74 : x
  2. Step 2: Convert to fraction form
    132,279.15/182,445.18 = 91,972.74/x
  3. Step 3: Cross multiply
    132,279.15x = 182,445.18 × 91,972.74
  4. Step 4: Simplify right side
    132,279.15x = 16,779,983,104.39
  5. Step 5: Solve for x
    x = 16,779,983,104.39/132,279.15
  6. Step 6: Final answer
    x = 126,852.82

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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.