Home / 198,469.20-273,886.40-107,824.44

Finding the Fourth Proportional to 198,469.20, 273,886.40 and 107,824.44

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Solution

The fourth proportional to 198,469.20, 273,886.40 and 107,824.44 is: 148,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,469.20 : 273,886.40 = 107,824.44 : x
  2. Step 2: Convert to fraction form
    198,469.20/273,886.40 = 107,824.44/x
  3. Step 3: Cross multiply
    198,469.20x = 273,886.40 × 107,824.44
  4. Step 4: Simplify right side
    198,469.20x = 29,531,647,703.62
  5. Step 5: Solve for x
    x = 29,531,647,703.62/198,469.20
  6. Step 6: Final answer
    x = 148,797.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.