Home / 199,255.12-274,970.42-108,609.44

Finding the Fourth Proportional to 199,255.12, 274,970.42 and 108,609.44

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Solution

The fourth proportional to 199,255.12, 274,970.42 and 108,609.44 is: 149,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,255.12 : 274,970.42 = 108,609.44 : x
  2. Step 2: Convert to fraction form
    199,255.12/274,970.42 = 108,609.44/x
  3. Step 3: Cross multiply
    199,255.12x = 274,970.42 × 108,609.44
  4. Step 4: Simplify right side
    199,255.12x = 29,864,381,414.87
  5. Step 5: Solve for x
    x = 29,864,381,414.87/199,255.12
  6. Step 6: Final answer
    x = 149,880.12

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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.