Home / 108,246.64-162,390.12-38,170.48

Finding the Fourth Proportional to 108,246.64, 162,390.12 and 38,170.48

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Solution

The fourth proportional to 108,246.64, 162,390.12 and 38,170.48 is: 57,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,246.64 : 162,390.12 = 38,170.48 : x
  2. Step 2: Convert to fraction form
    108,246.64/162,390.12 = 38,170.48/x
  3. Step 3: Cross multiply
    108,246.64x = 162,390.12 × 38,170.48
  4. Step 4: Simplify right side
    108,246.64x = 6,198,508,827.66
  5. Step 5: Solve for x
    x = 6,198,508,827.66/108,246.64
  6. Step 6: Final answer
    x = 57,262.83

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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.