Home / 198,630.46-274,115.34-107,992.54

Finding the Fourth Proportional to 198,630.46, 274,115.34 and 107,992.54

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Solution

The fourth proportional to 198,630.46, 274,115.34 and 107,992.54 is: 149,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,630.46 : 274,115.34 = 107,992.54 : x
  2. Step 2: Convert to fraction form
    198,630.46/274,115.34 = 107,992.54/x
  3. Step 3: Cross multiply
    198,630.46x = 274,115.34 × 107,992.54
  4. Step 4: Simplify right side
    198,630.46x = 29,602,412,162.21
  5. Step 5: Solve for x
    x = 29,602,412,162.21/198,630.46
  6. Step 6: Final answer
    x = 149,032.59

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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.