Home / 263,531.43-394,801.16-130,255.65

Finding the Fourth Proportional to 263,531.43, 394,801.16 and 130,255.65

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Solution

The fourth proportional to 263,531.43, 394,801.16 and 130,255.65 is: 195,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,531.43 : 394,801.16 = 130,255.65 : x
  2. Step 2: Convert to fraction form
    263,531.43/394,801.16 = 130,255.65/x
  3. Step 3: Cross multiply
    263,531.43x = 394,801.16 × 130,255.65
  4. Step 4: Simplify right side
    263,531.43x = 51,425,081,065.28
  5. Step 5: Solve for x
    x = 51,425,081,065.28/263,531.43
  6. Step 6: Final answer
    x = 195,138.32

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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.