Home / 198,456.08-273,868.29-107,811.32

Finding the Fourth Proportional to 198,456.08, 273,868.29 and 107,811.32

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Solution

The fourth proportional to 198,456.08, 273,868.29 and 107,811.32 is: 148,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,456.08 : 273,868.29 = 107,811.32 : x
  2. Step 2: Convert to fraction form
    198,456.08/273,868.29 = 107,811.32/x
  3. Step 3: Cross multiply
    198,456.08x = 273,868.29 × 107,811.32
  4. Step 4: Simplify right side
    198,456.08x = 29,526,100,481.70
  5. Step 5: Solve for x
    x = 29,526,100,481.70/198,456.08
  6. Step 6: Final answer
    x = 148,779.02

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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.