Home / 198,002.10-296,711.55-168,258.90

Finding the Fourth Proportional to 198,002.10, 296,711.55 and 168,258.90

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Solution

The fourth proportional to 198,002.10, 296,711.55 and 168,258.90 is: 252,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,002.10 : 296,711.55 = 168,258.90 : x
  2. Step 2: Convert to fraction form
    198,002.10/296,711.55 = 168,258.90/x
  3. Step 3: Cross multiply
    198,002.10x = 296,711.55 × 168,258.90
  4. Step 4: Simplify right side
    198,002.10x = 49,924,359,020.30
  5. Step 5: Solve for x
    x = 49,924,359,020.30/198,002.10
  6. Step 6: Final answer
    x = 252,140.55

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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.