Home / 293,786.25-405,549.05-198,422.11

Finding the Fourth Proportional to 293,786.25, 405,549.05 and 198,422.11

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Solution

The fourth proportional to 293,786.25, 405,549.05 and 198,422.11 is: 273,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,786.25 : 405,549.05 = 198,422.11 : x
  2. Step 2: Convert to fraction form
    293,786.25/405,549.05 = 198,422.11/x
  3. Step 3: Cross multiply
    293,786.25x = 405,549.05 × 198,422.11
  4. Step 4: Simplify right side
    293,786.25x = 80,469,897,217.38
  5. Step 5: Solve for x
    x = 80,469,897,217.38/293,786.25
  6. Step 6: Final answer
    x = 273,906.28

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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.