Home / 198,469.53-273,889.26-107,825.47

Finding the Fourth Proportional to 198,469.53, 273,889.26 and 107,825.47

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Solution

The fourth proportional to 198,469.53, 273,889.26 and 107,825.47 is: 148,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,469.53 : 273,889.26 = 107,825.47 : x
  2. Step 2: Convert to fraction form
    198,469.53/273,889.26 = 107,825.47/x
  3. Step 3: Cross multiply
    198,469.53x = 273,889.26 × 107,825.47
  4. Step 4: Simplify right side
    198,469.53x = 29,532,238,187.45
  5. Step 5: Solve for x
    x = 29,532,238,187.45/198,469.53
  6. Step 6: Final answer
    x = 148,799.86

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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.