Home / 208,198.70-312,251.31-95,770.94

Finding the Fourth Proportional to 208,198.70, 312,251.31 and 95,770.94

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Solution

The fourth proportional to 208,198.70, 312,251.31 and 95,770.94 is: 143,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,198.70 : 312,251.31 = 95,770.94 : x
  2. Step 2: Convert to fraction form
    208,198.70/312,251.31 = 95,770.94/x
  3. Step 3: Cross multiply
    208,198.70x = 312,251.31 × 95,770.94
  4. Step 4: Simplify right side
    208,198.70x = 29,904,601,474.93
  5. Step 5: Solve for x
    x = 29,904,601,474.93/208,198.70
  6. Step 6: Final answer
    x = 143,634.91

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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.