Home / 198,685.51-274,189.26-108,043.27

Finding the Fourth Proportional to 198,685.51, 274,189.26 and 108,043.27

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Solution

The fourth proportional to 198,685.51, 274,189.26 and 108,043.27 is: 149,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,685.51 : 274,189.26 = 108,043.27 : x
  2. Step 2: Convert to fraction form
    198,685.51/274,189.26 = 108,043.27/x
  3. Step 3: Cross multiply
    198,685.51x = 274,189.26 × 108,043.27
  4. Step 4: Simplify right side
    198,685.51x = 29,624,304,249.28
  5. Step 5: Solve for x
    x = 29,624,304,249.28/198,685.51
  6. Step 6: Final answer
    x = 149,101.48

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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.