Home / 522,049.40-782,997.30-148,110.20

Finding the Fourth Proportional to 522,049.40, 782,997.30 and 148,110.20

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Solution

The fourth proportional to 522,049.40, 782,997.30 and 148,110.20 is: 222,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,049.40 : 782,997.30 = 148,110.20 : x
  2. Step 2: Convert to fraction form
    522,049.40/782,997.30 = 148,110.20/x
  3. Step 3: Cross multiply
    522,049.40x = 782,997.30 × 148,110.20
  4. Step 4: Simplify right side
    522,049.40x = 115,969,886,702.46
  5. Step 5: Solve for x
    x = 115,969,886,702.46/522,049.40
  6. Step 6: Final answer
    x = 222,143.51

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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.