Home / 126,913.14-175,060.68-81,650.04

Finding the Fourth Proportional to 126,913.14, 175,060.68 and 81,650.04

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Solution

The fourth proportional to 126,913.14, 175,060.68 and 81,650.04 is: 112,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.14 : 175,060.68 = 81,650.04 : x
  2. Step 2: Convert to fraction form
    126,913.14/175,060.68 = 81,650.04/x
  3. Step 3: Cross multiply
    126,913.14x = 175,060.68 × 81,650.04
  4. Step 4: Simplify right side
    126,913.14x = 14,293,711,524.43
  5. Step 5: Solve for x
    x = 14,293,711,524.43/126,913.14
  6. Step 6: Final answer
    x = 112,625.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.