Home / 185,542.71-256,049.04-100,659.75

Finding the Fourth Proportional to 185,542.71, 256,049.04 and 100,659.75

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Solution

The fourth proportional to 185,542.71, 256,049.04 and 100,659.75 is: 138,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,542.71 : 256,049.04 = 100,659.75 : x
  2. Step 2: Convert to fraction form
    185,542.71/256,049.04 = 100,659.75/x
  3. Step 3: Cross multiply
    185,542.71x = 256,049.04 × 100,659.75
  4. Step 4: Simplify right side
    185,542.71x = 25,773,831,850.84
  5. Step 5: Solve for x
    x = 25,773,831,850.84/185,542.71
  6. Step 6: Final answer
    x = 138,910.51

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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.