Home / 165,529.20-248,439.60-132,286.80

Finding the Fourth Proportional to 165,529.20, 248,439.60 and 132,286.80

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Solution

The fourth proportional to 165,529.20, 248,439.60 and 132,286.80 is: 198,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,529.20 : 248,439.60 = 132,286.80 : x
  2. Step 2: Convert to fraction form
    165,529.20/248,439.60 = 132,286.80/x
  3. Step 3: Cross multiply
    165,529.20x = 248,439.60 × 132,286.80
  4. Step 4: Simplify right side
    165,529.20x = 32,865,279,677.28
  5. Step 5: Solve for x
    x = 32,865,279,677.28/165,529.20
  6. Step 6: Final answer
    x = 198,546.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.