Home / 198,922.10-298,373.42-74,253.38

Finding the Fourth Proportional to 198,922.10, 298,373.42 and 74,253.38

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Solution

The fourth proportional to 198,922.10, 298,373.42 and 74,253.38 is: 111,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,922.10 : 298,373.42 = 74,253.38 : x
  2. Step 2: Convert to fraction form
    198,922.10/298,373.42 = 74,253.38/x
  3. Step 3: Cross multiply
    198,922.10x = 298,373.42 × 74,253.38
  4. Step 4: Simplify right side
    198,922.10x = 22,155,233,630.93
  5. Step 5: Solve for x
    x = 22,155,233,630.93/198,922.10
  6. Step 6: Final answer
    x = 111,376.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.