Home / 208,198.20-312,250.54-95,770.42

Finding the Fourth Proportional to 208,198.20, 312,250.54 and 95,770.42

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Solution

The fourth proportional to 208,198.20, 312,250.54 and 95,770.42 is: 143,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,198.20 : 312,250.54 = 95,770.42 : x
  2. Step 2: Convert to fraction form
    208,198.20/312,250.54 = 95,770.42/x
  3. Step 3: Cross multiply
    208,198.20x = 312,250.54 × 95,770.42
  4. Step 4: Simplify right side
    208,198.20x = 29,904,365,361.03
  5. Step 5: Solve for x
    x = 29,904,365,361.03/208,198.20
  6. Step 6: Final answer
    x = 143,634.12

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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.