Home / 263,439.80-395,176.68-92,640.56

Finding the Fourth Proportional to 263,439.80, 395,176.68 and 92,640.56

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Solution

The fourth proportional to 263,439.80, 395,176.68 and 92,640.56 is: 138,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,439.80 : 395,176.68 = 92,640.56 : x
  2. Step 2: Convert to fraction form
    263,439.80/395,176.68 = 92,640.56/x
  3. Step 3: Cross multiply
    263,439.80x = 395,176.68 × 92,640.56
  4. Step 4: Simplify right side
    263,439.80x = 36,609,388,934.14
  5. Step 5: Solve for x
    x = 36,609,388,934.14/263,439.80
  6. Step 6: Final answer
    x = 138,966.81

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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.