Home / 198,379.15-273,768.64-116,713.13

Finding the Fourth Proportional to 198,379.15, 273,768.64 and 116,713.13

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Solution

The fourth proportional to 198,379.15, 273,768.64 and 116,713.13 is: 161,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.15 : 273,768.64 = 116,713.13 : x
  2. Step 2: Convert to fraction form
    198,379.15/273,768.64 = 116,713.13/x
  3. Step 3: Cross multiply
    198,379.15x = 273,768.64 × 116,713.13
  4. Step 4: Simplify right side
    198,379.15x = 31,952,394,870.24
  5. Step 5: Solve for x
    x = 31,952,394,870.24/198,379.15
  6. Step 6: Final answer
    x = 161,067.30

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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.