Home / 263,530.20-395,324.10-255,235.80

Finding the Fourth Proportional to 263,530.20, 395,324.10 and 255,235.80

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Solution

The fourth proportional to 263,530.20, 395,324.10 and 255,235.80 is: 382,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,530.20 : 395,324.10 = 255,235.80 : x
  2. Step 2: Convert to fraction form
    263,530.20/395,324.10 = 255,235.80/x
  3. Step 3: Cross multiply
    263,530.20x = 395,324.10 × 255,235.80
  4. Step 4: Simplify right side
    263,530.20x = 100,900,862,922.78
  5. Step 5: Solve for x
    x = 100,900,862,922.78/263,530.20
  6. Step 6: Final answer
    x = 382,881.59

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1.5x scale

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.