Home / 198,672.42-274,169.30-108,029.37

Finding the Fourth Proportional to 198,672.42, 274,169.30 and 108,029.37

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Solution

The fourth proportional to 198,672.42, 274,169.30 and 108,029.37 is: 149,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,672.42 : 274,169.30 = 108,029.37 : x
  2. Step 2: Convert to fraction form
    198,672.42/274,169.30 = 108,029.37/x
  3. Step 3: Cross multiply
    198,672.42x = 274,169.30 × 108,029.37
  4. Step 4: Simplify right side
    198,672.42x = 29,618,336,212.19
  5. Step 5: Solve for x
    x = 29,618,336,212.19/198,672.42
  6. Step 6: Final answer
    x = 149,081.27

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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.