Home / 198,351.40-273,723.92-107,706.57

Finding the Fourth Proportional to 198,351.40, 273,723.92 and 107,706.57

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Solution

The fourth proportional to 198,351.40, 273,723.92 and 107,706.57 is: 148,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,351.40 : 273,723.92 = 107,706.57 : x
  2. Step 2: Convert to fraction form
    198,351.40/273,723.92 = 107,706.57/x
  3. Step 3: Cross multiply
    198,351.40x = 273,723.92 × 107,706.57
  4. Step 4: Simplify right side
    198,351.40x = 29,481,864,550.15
  5. Step 5: Solve for x
    x = 29,481,864,550.15/198,351.40
  6. Step 6: Final answer
    x = 148,634.52

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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.