Home / 126,940.05-175,171.14-73,242.39

Finding the Fourth Proportional to 126,940.05, 175,171.14 and 73,242.39

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Solution

The fourth proportional to 126,940.05, 175,171.14 and 73,242.39 is: 101,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,940.05 : 175,171.14 = 73,242.39 : x
  2. Step 2: Convert to fraction form
    126,940.05/175,171.14 = 73,242.39/x
  3. Step 3: Cross multiply
    126,940.05x = 175,171.14 × 73,242.39
  4. Step 4: Simplify right side
    126,940.05x = 12,829,952,952.62
  5. Step 5: Solve for x
    x = 12,829,952,952.62/126,940.05
  6. Step 6: Final answer
    x = 101,070.96

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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.