Home / 185,616.73-256,136.97-109,138.96

Finding the Fourth Proportional to 185,616.73, 256,136.97 and 109,138.96

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Solution

The fourth proportional to 185,616.73, 256,136.97 and 109,138.96 is: 150,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.73 : 256,136.97 = 109,138.96 : x
  2. Step 2: Convert to fraction form
    185,616.73/256,136.97 = 109,138.96/x
  3. Step 3: Cross multiply
    185,616.73x = 256,136.97 × 109,138.96
  4. Step 4: Simplify right side
    185,616.73x = 27,954,522,523.35
  5. Step 5: Solve for x
    x = 27,954,522,523.35/185,616.73
  6. Step 6: Final answer
    x = 150,603.46

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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.