Home / 138,207.82-207,095.76-96,170.04

Finding the Fourth Proportional to 138,207.82, 207,095.76 and 96,170.04

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Solution

The fourth proportional to 138,207.82, 207,095.76 and 96,170.04 is: 144,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,207.82 : 207,095.76 = 96,170.04 : x
  2. Step 2: Convert to fraction form
    138,207.82/207,095.76 = 96,170.04/x
  3. Step 3: Cross multiply
    138,207.82x = 207,095.76 × 96,170.04
  4. Step 4: Simplify right side
    138,207.82x = 19,916,407,523.03
  5. Step 5: Solve for x
    x = 19,916,407,523.03/138,207.82
  6. Step 6: Final answer
    x = 144,104.78

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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.