Home / 444,922.20-667,456.02-145,315.80

Finding the Fourth Proportional to 444,922.20, 667,456.02 and 145,315.80

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Solution

The fourth proportional to 444,922.20, 667,456.02 and 145,315.80 is: 217,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,922.20 : 667,456.02 = 145,315.80 : x
  2. Step 2: Convert to fraction form
    444,922.20/667,456.02 = 145,315.80/x
  3. Step 3: Cross multiply
    444,922.20x = 667,456.02 × 145,315.80
  4. Step 4: Simplify right side
    444,922.20x = 96,991,905,511.12
  5. Step 5: Solve for x
    x = 96,991,905,511.12/444,922.20
  6. Step 6: Final answer
    x = 217,997.45

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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.