Home / 199,144.90-274,818.44-108,500.58

Finding the Fourth Proportional to 199,144.90, 274,818.44 and 108,500.58

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Solution

The fourth proportional to 199,144.90, 274,818.44 and 108,500.58 is: 149,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.90 : 274,818.44 = 108,500.58 : x
  2. Step 2: Convert to fraction form
    199,144.90/274,818.44 = 108,500.58/x
  3. Step 3: Cross multiply
    199,144.90x = 274,818.44 × 108,500.58
  4. Step 4: Simplify right side
    199,144.90x = 29,817,960,134.70
  5. Step 5: Solve for x
    x = 29,817,960,134.70/199,144.90
  6. Step 6: Final answer
    x = 149,729.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.