Home / 185,872.59-256,507.97-100,995.12

Finding the Fourth Proportional to 185,872.59, 256,507.97 and 100,995.12

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Solution

The fourth proportional to 185,872.59, 256,507.97 and 100,995.12 is: 139,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,872.59 : 256,507.97 = 100,995.12 : x
  2. Step 2: Convert to fraction form
    185,872.59/256,507.97 = 100,995.12/x
  3. Step 3: Cross multiply
    185,872.59x = 256,507.97 × 100,995.12
  4. Step 4: Simplify right side
    185,872.59x = 25,906,052,706.13
  5. Step 5: Solve for x
    x = 25,906,052,706.13/185,872.59
  6. Step 6: Final answer
    x = 139,375.33

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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.