Home / 114,999.54-172,273.92-75,436.71

Finding the Fourth Proportional to 114,999.54, 172,273.92 and 75,436.71

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Solution

The fourth proportional to 114,999.54, 172,273.92 and 75,436.71 is: 113,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,999.54 : 172,273.92 = 75,436.71 : x
  2. Step 2: Convert to fraction form
    114,999.54/172,273.92 = 75,436.71/x
  3. Step 3: Cross multiply
    114,999.54x = 172,273.92 × 75,436.71
  4. Step 4: Simplify right side
    114,999.54x = 12,995,777,743.60
  5. Step 5: Solve for x
    x = 12,995,777,743.60/114,999.54
  6. Step 6: Final answer
    x = 113,007.22

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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.