Home / 156,324.05-215,731.20-95,928.06

Finding the Fourth Proportional to 156,324.05, 215,731.20 and 95,928.06

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Solution

The fourth proportional to 156,324.05, 215,731.20 and 95,928.06 is: 132,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,324.05 : 215,731.20 = 95,928.06 : x
  2. Step 2: Convert to fraction form
    156,324.05/215,731.20 = 95,928.06/x
  3. Step 3: Cross multiply
    156,324.05x = 215,731.20 × 95,928.06
  4. Step 4: Simplify right side
    156,324.05x = 20,694,675,497.47
  5. Step 5: Solve for x
    x = 20,694,675,497.47/156,324.05
  6. Step 6: Final answer
    x = 132,383.18

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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.