Home / 198,265.23-273,610.86-107,620.95

Finding the Fourth Proportional to 198,265.23, 273,610.86 and 107,620.95

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Solution

The fourth proportional to 198,265.23, 273,610.86 and 107,620.95 is: 148,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,265.23 : 273,610.86 = 107,620.95 : x
  2. Step 2: Convert to fraction form
    198,265.23/273,610.86 = 107,620.95/x
  3. Step 3: Cross multiply
    198,265.23x = 273,610.86 × 107,620.95
  4. Step 4: Simplify right side
    198,265.23x = 29,446,260,683.52
  5. Step 5: Solve for x
    x = 29,446,260,683.52/198,265.23
  6. Step 6: Final answer
    x = 148,519.54

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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.