Home / 185,645.52-256,183.97-100,760.76

Finding the Fourth Proportional to 185,645.52, 256,183.97 and 100,760.76

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Solution

The fourth proportional to 185,645.52, 256,183.97 and 100,760.76 is: 139,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.52 : 256,183.97 = 100,760.76 : x
  2. Step 2: Convert to fraction form
    185,645.52/256,183.97 = 100,760.76/x
  3. Step 3: Cross multiply
    185,645.52x = 256,183.97 × 100,760.76
  4. Step 4: Simplify right side
    185,645.52x = 25,813,291,013.21
  5. Step 5: Solve for x
    x = 25,813,291,013.21/185,645.52
  6. Step 6: Final answer
    x = 139,046.13

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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.