Home / 444,816.20-667,289.10-145,310.60

Finding the Fourth Proportional to 444,816.20, 667,289.10 and 145,310.60

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Solution

The fourth proportional to 444,816.20, 667,289.10 and 145,310.60 is: 217,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,816.20 : 667,289.10 = 145,310.60 : x
  2. Step 2: Convert to fraction form
    444,816.20/667,289.10 = 145,310.60/x
  3. Step 3: Cross multiply
    444,816.20x = 667,289.10 × 145,310.60
  4. Step 4: Simplify right side
    444,816.20x = 96,964,179,494.46
  5. Step 5: Solve for x
    x = 96,964,179,494.46/444,816.20
  6. Step 6: Final answer
    x = 217,987.07

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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.