Home / 108,248.64-162,393.12-38,172.48

Finding the Fourth Proportional to 108,248.64, 162,393.12 and 38,172.48

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Solution

The fourth proportional to 108,248.64, 162,393.12 and 38,172.48 is: 57,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,248.64 : 162,393.12 = 38,172.48 : x
  2. Step 2: Convert to fraction form
    108,248.64/162,393.12 = 38,172.48/x
  3. Step 3: Cross multiply
    108,248.64x = 162,393.12 × 38,172.48
  4. Step 4: Simplify right side
    108,248.64x = 6,198,948,125.34
  5. Step 5: Solve for x
    x = 6,198,948,125.34/108,248.64
  6. Step 6: Final answer
    x = 57,265.83

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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.