Home / 198,703.28-274,212.36-108,060.10

Finding the Fourth Proportional to 198,703.28, 274,212.36 and 108,060.10

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Solution

The fourth proportional to 198,703.28, 274,212.36 and 108,060.10 is: 149,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,703.28 : 274,212.36 = 108,060.10 : x
  2. Step 2: Convert to fraction form
    198,703.28/274,212.36 = 108,060.10/x
  3. Step 3: Cross multiply
    198,703.28x = 274,212.36 × 108,060.10
  4. Step 4: Simplify right side
    198,703.28x = 29,631,414,357.31
  5. Step 5: Solve for x
    x = 29,631,414,357.31/198,703.28
  6. Step 6: Final answer
    x = 149,123.93

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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.