Home / 198,514.41-273,982.56-144,976.65

Finding the Fourth Proportional to 198,514.41, 273,982.56 and 144,976.65

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Solution

The fourth proportional to 198,514.41, 273,982.56 and 144,976.65 is: 200,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514.41 : 273,982.56 = 144,976.65 : x
  2. Step 2: Convert to fraction form
    198,514.41/273,982.56 = 144,976.65/x
  3. Step 3: Cross multiply
    198,514.41x = 273,982.56 × 144,976.65
  4. Step 4: Simplify right side
    198,514.41x = 39,721,073,707.22
  5. Step 5: Solve for x
    x = 39,721,073,707.22/198,514.41
  6. Step 6: Final answer
    x = 200,091.64

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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.