Home / 203,422.20-304,841.70-149,694.90

Finding the Fourth Proportional to 203,422.20, 304,841.70 and 149,694.90

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Solution

The fourth proportional to 203,422.20, 304,841.70 and 149,694.90 is: 224,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,422.20 : 304,841.70 = 149,694.90 : x
  2. Step 2: Convert to fraction form
    203,422.20/304,841.70 = 149,694.90/x
  3. Step 3: Cross multiply
    203,422.20x = 304,841.70 × 149,694.90
  4. Step 4: Simplify right side
    203,422.20x = 45,633,247,797.33
  5. Step 5: Solve for x
    x = 45,633,247,797.33/203,422.20
  6. Step 6: Final answer
    x = 224,327.77

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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.