Home / 198,660.09-274,143.37-108,016.13

Finding the Fourth Proportional to 198,660.09, 274,143.37 and 108,016.13

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Solution

The fourth proportional to 198,660.09, 274,143.37 and 108,016.13 is: 149,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,660.09 : 274,143.37 = 108,016.13 : x
  2. Step 2: Convert to fraction form
    198,660.09/274,143.37 = 108,016.13/x
  3. Step 3: Cross multiply
    198,660.09x = 274,143.37 × 108,016.13
  4. Step 4: Simplify right side
    198,660.09x = 29,611,905,892.56
  5. Step 5: Solve for x
    x = 29,611,905,892.56/198,660.09
  6. Step 6: Final answer
    x = 149,058.15

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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.