Home / 174,382.78-261,572.34-115,481.98

Finding the Fourth Proportional to 174,382.78, 261,572.34 and 115,481.98

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Solution

The fourth proportional to 174,382.78, 261,572.34 and 115,481.98 is: 173,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,382.78 : 261,572.34 = 115,481.98 : x
  2. Step 2: Convert to fraction form
    174,382.78/261,572.34 = 115,481.98/x
  3. Step 3: Cross multiply
    174,382.78x = 261,572.34 × 115,481.98
  4. Step 4: Simplify right side
    174,382.78x = 30,206,891,736.43
  5. Step 5: Solve for x
    x = 30,206,891,736.43/174,382.78
  6. Step 6: Final answer
    x = 173,221.76

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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.