Home / 263,469.12-395,203.92-123,326.16

Finding the Fourth Proportional to 263,469.12, 395,203.92 and 123,326.16

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Solution

The fourth proportional to 263,469.12, 395,203.92 and 123,326.16 is: 184,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,469.12 : 395,203.92 = 123,326.16 : x
  2. Step 2: Convert to fraction form
    263,469.12/395,203.92 = 123,326.16/x
  3. Step 3: Cross multiply
    263,469.12x = 395,203.92 × 123,326.16
  4. Step 4: Simplify right side
    263,469.12x = 48,738,981,870.55
  5. Step 5: Solve for x
    x = 48,738,981,870.55/263,469.12
  6. Step 6: Final answer
    x = 184,989.35

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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.