Home / 108,138.07-162,207.11-41,609.53

Finding the Fourth Proportional to 108,138.07, 162,207.11 and 41,609.53

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Solution

The fourth proportional to 108,138.07, 162,207.11 and 41,609.53 is: 62,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,138.07 : 162,207.11 = 41,609.53 : x
  2. Step 2: Convert to fraction form
    108,138.07/162,207.11 = 41,609.53/x
  3. Step 3: Cross multiply
    108,138.07x = 162,207.11 × 41,609.53
  4. Step 4: Simplify right side
    108,138.07x = 6,749,361,609.76
  5. Step 5: Solve for x
    x = 6,749,361,609.76/108,138.07
  6. Step 6: Final answer
    x = 62,414.30

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1.5x scale

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.