Home / 198,443.01-273,853.31-107,799.71

Finding the Fourth Proportional to 198,443.01, 273,853.31 and 107,799.71

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Solution

The fourth proportional to 198,443.01, 273,853.31 and 107,799.71 is: 148,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443.01 : 273,853.31 = 107,799.71 : x
  2. Step 2: Convert to fraction form
    198,443.01/273,853.31 = 107,799.71/x
  3. Step 3: Cross multiply
    198,443.01x = 273,853.31 × 107,799.71
  4. Step 4: Simplify right side
    198,443.01x = 29,521,307,032.70
  5. Step 5: Solve for x
    x = 29,521,307,032.70/198,443.01
  6. Step 6: Final answer
    x = 148,764.66

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1.5x scale

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.