Home / 199,235.23-274,942.87-108,591.20

Finding the Fourth Proportional to 199,235.23, 274,942.87 and 108,591.20

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Solution

The fourth proportional to 199,235.23, 274,942.87 and 108,591.20 is: 149,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,235.23 : 274,942.87 = 108,591.20 : x
  2. Step 2: Convert to fraction form
    199,235.23/274,942.87 = 108,591.20/x
  3. Step 3: Cross multiply
    199,235.23x = 274,942.87 × 108,591.20
  4. Step 4: Simplify right side
    199,235.23x = 29,856,376,184.74
  5. Step 5: Solve for x
    x = 29,856,376,184.74/199,235.23
  6. Step 6: Final answer
    x = 149,854.90

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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.