Home / 198,488.68-273,915.50-107,845.37

Finding the Fourth Proportional to 198,488.68, 273,915.50 and 107,845.37

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Solution

The fourth proportional to 198,488.68, 273,915.50 and 107,845.37 is: 148,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,488.68 : 273,915.50 = 107,845.37 : x
  2. Step 2: Convert to fraction form
    198,488.68/273,915.50 = 107,845.37/x
  3. Step 3: Cross multiply
    198,488.68x = 273,915.50 × 107,845.37
  4. Step 4: Simplify right side
    198,488.68x = 29,540,519,408.70
  5. Step 5: Solve for x
    x = 29,540,519,408.70/198,488.68
  6. Step 6: Final answer
    x = 148,827.23

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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.