Home / 181,874.15-250,960.61-103,289.43

Finding the Fourth Proportional to 181,874.15, 250,960.61 and 103,289.43

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Solution

The fourth proportional to 181,874.15, 250,960.61 and 103,289.43 is: 142,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,874.15 : 250,960.61 = 103,289.43 : x
  2. Step 2: Convert to fraction form
    181,874.15/250,960.61 = 103,289.43/x
  3. Step 3: Cross multiply
    181,874.15x = 250,960.61 × 103,289.43
  4. Step 4: Simplify right side
    181,874.15x = 25,921,577,842.91
  5. Step 5: Solve for x
    x = 25,921,577,842.91/181,874.15
  6. Step 6: Final answer
    x = 142,524.81

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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.