Home / 250,039.20-375,032.88-131,662.56

Finding the Fourth Proportional to 250,039.20, 375,032.88 and 131,662.56

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Solution

The fourth proportional to 250,039.20, 375,032.88 and 131,662.56 is: 197,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,039.20 : 375,032.88 = 131,662.56 : x
  2. Step 2: Convert to fraction form
    250,039.20/375,032.88 = 131,662.56/x
  3. Step 3: Cross multiply
    250,039.20x = 375,032.88 × 131,662.56
  4. Step 4: Simplify right side
    250,039.20x = 49,377,789,064.97
  5. Step 5: Solve for x
    x = 49,377,789,064.97/250,039.20
  6. Step 6: Final answer
    x = 197,480.19

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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.