Home / 198,279.09-273,607.07-113,394.33

Finding the Fourth Proportional to 198,279.09, 273,607.07 and 113,394.33

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Solution

The fourth proportional to 198,279.09, 273,607.07 and 113,394.33 is: 156,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,279.09 : 273,607.07 = 113,394.33 : x
  2. Step 2: Convert to fraction form
    198,279.09/273,607.07 = 113,394.33/x
  3. Step 3: Cross multiply
    198,279.09x = 273,607.07 × 113,394.33
  4. Step 4: Simplify right side
    198,279.09x = 31,025,489,818.94
  5. Step 5: Solve for x
    x = 31,025,489,818.94/198,279.09
  6. Step 6: Final answer
    x = 156,473.84

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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.