Home / 198,934.20-298,401.30-177,161.40

Finding the Fourth Proportional to 198,934.20, 298,401.30 and 177,161.40

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Solution

The fourth proportional to 198,934.20, 298,401.30 and 177,161.40 is: 265,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,934.20 : 298,401.30 = 177,161.40 : x
  2. Step 2: Convert to fraction form
    198,934.20/298,401.30 = 177,161.40/x
  3. Step 3: Cross multiply
    198,934.20x = 298,401.30 × 177,161.40
  4. Step 4: Simplify right side
    198,934.20x = 52,865,192,069.82
  5. Step 5: Solve for x
    x = 52,865,192,069.82/198,934.20
  6. Step 6: Final answer
    x = 265,742.10

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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.