Home / 263,452.08-395,178.38-123,309.12

Finding the Fourth Proportional to 263,452.08, 395,178.38 and 123,309.12

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Solution

The fourth proportional to 263,452.08, 395,178.38 and 123,309.12 is: 184,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,452.08 : 395,178.38 = 123,309.12 : x
  2. Step 2: Convert to fraction form
    263,452.08/395,178.38 = 123,309.12/x
  3. Step 3: Cross multiply
    263,452.08x = 395,178.38 × 123,309.12
  4. Step 4: Simplify right side
    263,452.08x = 48,729,098,280.83
  5. Step 5: Solve for x
    x = 48,729,098,280.83/263,452.08
  6. Step 6: Final answer
    x = 184,963.80

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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.