Home / 138,095.28-207,169.65-53,852.04

Finding the Fourth Proportional to 138,095.28, 207,169.65 and 53,852.04

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Solution

The fourth proportional to 138,095.28, 207,169.65 and 53,852.04 is: 80,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,095.28 : 207,169.65 = 53,852.04 : x
  2. Step 2: Convert to fraction form
    138,095.28/207,169.65 = 53,852.04/x
  3. Step 3: Cross multiply
    138,095.28x = 207,169.65 × 53,852.04
  4. Step 4: Simplify right side
    138,095.28x = 11,156,508,278.59
  5. Step 5: Solve for x
    x = 11,156,508,278.59/138,095.28
  6. Step 6: Final answer
    x = 80,788.48

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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.