Home / 126,910.78-175,144.62-73,194.82

Finding the Fourth Proportional to 126,910.78, 175,144.62 and 73,194.82

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Solution

The fourth proportional to 126,910.78, 175,144.62 and 73,194.82 is: 101,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.78 : 175,144.62 = 73,194.82 : x
  2. Step 2: Convert to fraction form
    126,910.78/175,144.62 = 73,194.82/x
  3. Step 3: Cross multiply
    126,910.78x = 175,144.62 × 73,194.82
  4. Step 4: Simplify right side
    126,910.78x = 12,819,678,934.87
  5. Step 5: Solve for x
    x = 12,819,678,934.87/126,910.78
  6. Step 6: Final answer
    x = 101,013.32

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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.