Home / 198,514.58-273,951.86-107,870.54

Finding the Fourth Proportional to 198,514.58, 273,951.86 and 107,870.54

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Solution

The fourth proportional to 198,514.58, 273,951.86 and 107,870.54 is: 148,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514.58 : 273,951.86 = 107,870.54 : x
  2. Step 2: Convert to fraction form
    198,514.58/273,951.86 = 107,870.54/x
  3. Step 3: Cross multiply
    198,514.58x = 273,951.86 × 107,870.54
  4. Step 4: Simplify right side
    198,514.58x = 29,551,335,072.20
  5. Step 5: Solve for x
    x = 29,551,335,072.20/198,514.58
  6. Step 6: Final answer
    x = 148,862.29

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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.