Home / 198,514.44-273,950.64-107,870.85

Finding the Fourth Proportional to 198,514.44, 273,950.64 and 107,870.85

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Solution

The fourth proportional to 198,514.44, 273,950.64 and 107,870.85 is: 148,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514.44 : 273,950.64 = 107,870.85 : x
  2. Step 2: Convert to fraction form
    198,514.44/273,950.64 = 107,870.85/x
  3. Step 3: Cross multiply
    198,514.44x = 273,950.64 × 107,870.85
  4. Step 4: Simplify right side
    198,514.44x = 29,551,288,394.84
  5. Step 5: Solve for x
    x = 29,551,288,394.84/198,514.44
  6. Step 6: Final answer
    x = 148,862.16

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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.