Home / 302,481.28-453,687.36-80,882.56

Finding the Fourth Proportional to 302,481.28, 453,687.36 and 80,882.56

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Solution

The fourth proportional to 302,481.28, 453,687.36 and 80,882.56 is: 121,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,481.28 : 453,687.36 = 80,882.56 : x
  2. Step 2: Convert to fraction form
    302,481.28/453,687.36 = 80,882.56/x
  3. Step 3: Cross multiply
    302,481.28x = 453,687.36 × 80,882.56
  4. Step 4: Simplify right side
    302,481.28x = 36,695,395,116.44
  5. Step 5: Solve for x
    x = 36,695,395,116.44/302,481.28
  6. Step 6: Final answer
    x = 121,314.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.