Home / 198,713.27-274,226.30-108,071.27

Finding the Fourth Proportional to 198,713.27, 274,226.30 and 108,071.27

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Solution

The fourth proportional to 198,713.27, 274,226.30 and 108,071.27 is: 149,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,713.27 : 274,226.30 = 108,071.27 : x
  2. Step 2: Convert to fraction form
    198,713.27/274,226.30 = 108,071.27/x
  3. Step 3: Cross multiply
    198,713.27x = 274,226.30 × 108,071.27
  4. Step 4: Simplify right side
    198,713.27x = 29,635,983,407.45
  5. Step 5: Solve for x
    x = 29,635,983,407.45/198,713.27
  6. Step 6: Final answer
    x = 149,139.43

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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.