Home / 198,887.83-298,299.12-54,760.03

Finding the Fourth Proportional to 198,887.83, 298,299.12 and 54,760.03

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Solution

The fourth proportional to 198,887.83, 298,299.12 and 54,760.03 is: 82,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,887.83 : 298,299.12 = 54,760.03 : x
  2. Step 2: Convert to fraction form
    198,887.83/298,299.12 = 54,760.03/x
  3. Step 3: Cross multiply
    198,887.83x = 298,299.12 × 54,760.03
  4. Step 4: Simplify right side
    198,887.83x = 16,334,868,760.17
  5. Step 5: Solve for x
    x = 16,334,868,760.17/198,887.83
  6. Step 6: Final answer
    x = 82,131.06

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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.