Home / 185,067.05-255,391.38-100,183.50

Finding the Fourth Proportional to 185,067.05, 255,391.38 and 100,183.50

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Solution

The fourth proportional to 185,067.05, 255,391.38 and 100,183.50 is: 138,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,067.05 : 255,391.38 = 100,183.50 : x
  2. Step 2: Convert to fraction form
    185,067.05/255,391.38 = 100,183.50/x
  3. Step 3: Cross multiply
    185,067.05x = 255,391.38 × 100,183.50
  4. Step 4: Simplify right side
    185,067.05x = 25,586,002,318.23
  5. Step 5: Solve for x
    x = 25,586,002,318.23/185,067.05
  6. Step 6: Final answer
    x = 138,252.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.