Home / 198,400.33-273,794.43-107,758.08

Finding the Fourth Proportional to 198,400.33, 273,794.43 and 107,758.08

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Solution

The fourth proportional to 198,400.33, 273,794.43 and 107,758.08 is: 148,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,400.33 : 273,794.43 = 107,758.08 : x
  2. Step 2: Convert to fraction form
    198,400.33/273,794.43 = 107,758.08/x
  3. Step 3: Cross multiply
    198,400.33x = 273,794.43 × 107,758.08
  4. Step 4: Simplify right side
    198,400.33x = 29,503,560,722.52
  5. Step 5: Solve for x
    x = 29,503,560,722.52/198,400.33
  6. Step 6: Final answer
    x = 148,707.22

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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.