Home / 126,727.85-174,928.14-73,034.30

Finding the Fourth Proportional to 126,727.85, 174,928.14 and 73,034.30

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Solution

The fourth proportional to 126,727.85, 174,928.14 and 73,034.30 is: 100,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,727.85 : 174,928.14 = 73,034.30 : x
  2. Step 2: Convert to fraction form
    126,727.85/174,928.14 = 73,034.30/x
  3. Step 3: Cross multiply
    126,727.85x = 174,928.14 × 73,034.30
  4. Step 4: Simplify right side
    126,727.85x = 12,775,753,380.56
  5. Step 5: Solve for x
    x = 12,775,753,380.56/126,727.85
  6. Step 6: Final answer
    x = 100,812.52

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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.