Home / 185,620.73-256,142.49-109,142.96

Finding the Fourth Proportional to 185,620.73, 256,142.49 and 109,142.96

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Solution

The fourth proportional to 185,620.73, 256,142.49 and 109,142.96 is: 150,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,620.73 : 256,142.49 = 109,142.96 : x
  2. Step 2: Convert to fraction form
    185,620.73/256,142.49 = 109,142.96/x
  3. Step 3: Cross multiply
    185,620.73x = 256,142.49 × 109,142.96
  4. Step 4: Simplify right side
    185,620.73x = 27,956,149,540.37
  5. Step 5: Solve for x
    x = 27,956,149,540.37/185,620.73
  6. Step 6: Final answer
    x = 150,608.98

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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.