Home / 198,701.93-274,203.29-112,676.69

Finding the Fourth Proportional to 198,701.93, 274,203.29 and 112,676.69

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Solution

The fourth proportional to 198,701.93, 274,203.29 and 112,676.69 is: 155,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.93 : 274,203.29 = 112,676.69 : x
  2. Step 2: Convert to fraction form
    198,701.93/274,203.29 = 112,676.69/x
  3. Step 3: Cross multiply
    198,701.93x = 274,203.29 × 112,676.69
  4. Step 4: Simplify right side
    198,701.93x = 30,896,318,540.93
  5. Step 5: Solve for x
    x = 30,896,318,540.93/198,701.93
  6. Step 6: Final answer
    x = 155,490.78

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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.