Home / 126,899.89-175,140.50-73,174.41

Finding the Fourth Proportional to 126,899.89, 175,140.50 and 73,174.41

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Solution

The fourth proportional to 126,899.89, 175,140.50 and 73,174.41 is: 100,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,899.89 : 175,140.50 = 73,174.41 : x
  2. Step 2: Convert to fraction form
    126,899.89/175,140.50 = 73,174.41/x
  3. Step 3: Cross multiply
    126,899.89x = 175,140.50 × 73,174.41
  4. Step 4: Simplify right side
    126,899.89x = 12,815,802,388.73
  5. Step 5: Solve for x
    x = 12,815,802,388.73/126,899.89
  6. Step 6: Final answer
    x = 100,991.44

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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.