Home / 198,866.20-298,180.31-134,902.94

Finding the Fourth Proportional to 198,866.20, 298,180.31 and 134,902.94

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Solution

The fourth proportional to 198,866.20, 298,180.31 and 134,902.94 is: 202,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,866.20 : 298,180.31 = 134,902.94 : x
  2. Step 2: Convert to fraction form
    198,866.20/298,180.31 = 134,902.94/x
  3. Step 3: Cross multiply
    198,866.20x = 298,180.31 × 134,902.94
  4. Step 4: Simplify right side
    198,866.20x = 40,225,400,469.11
  5. Step 5: Solve for x
    x = 40,225,400,469.11/198,866.20
  6. Step 6: Final answer
    x = 202,273.70

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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.