Home / 185,728.44-256,298.05-100,843.56

Finding the Fourth Proportional to 185,728.44, 256,298.05 and 100,843.56

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Solution

The fourth proportional to 185,728.44, 256,298.05 and 100,843.56 is: 139,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,728.44 : 256,298.05 = 100,843.56 : x
  2. Step 2: Convert to fraction form
    185,728.44/256,298.05 = 100,843.56/x
  3. Step 3: Cross multiply
    185,728.44x = 256,298.05 × 100,843.56
  4. Step 4: Simplify right side
    185,728.44x = 25,846,006,501.57
  5. Step 5: Solve for x
    x = 25,846,006,501.57/185,728.44
  6. Step 6: Final answer
    x = 139,160.20

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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.