Home / 445,044.20-667,566.30-149,556.20

Finding the Fourth Proportional to 445,044.20, 667,566.30 and 149,556.20

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Solution

The fourth proportional to 445,044.20, 667,566.30 and 149,556.20 is: 224,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,044.20 : 667,566.30 = 149,556.20 : x
  2. Step 2: Convert to fraction form
    445,044.20/667,566.30 = 149,556.20/x
  3. Step 3: Cross multiply
    445,044.20x = 667,566.30 × 149,556.20
  4. Step 4: Simplify right side
    445,044.20x = 99,838,679,076.06
  5. Step 5: Solve for x
    x = 99,838,679,076.06/445,044.20
  6. Step 6: Final answer
    x = 224,334.30

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Double scale
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Similar ratio
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1.5x scale

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.