Home / 198,744.10-298,116.15-51,000.10

Finding the Fourth Proportional to 198,744.10, 298,116.15 and 51,000.10

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Solution

The fourth proportional to 198,744.10, 298,116.15 and 51,000.10 is: 76,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,744.10 : 298,116.15 = 51,000.10 : x
  2. Step 2: Convert to fraction form
    198,744.10/298,116.15 = 51,000.10/x
  3. Step 3: Cross multiply
    198,744.10x = 298,116.15 × 51,000.10
  4. Step 4: Simplify right side
    198,744.10x = 15,203,953,461.62
  5. Step 5: Solve for x
    x = 15,203,953,461.62/198,744.10
  6. Step 6: Final answer
    x = 76,500.15

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1.5x scale

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.