Home / 185,723.30-256,299.19-109,245.74

Finding the Fourth Proportional to 185,723.30, 256,299.19 and 109,245.74

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Solution

The fourth proportional to 185,723.30, 256,299.19 and 109,245.74 is: 150,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,723.30 : 256,299.19 = 109,245.74 : x
  2. Step 2: Convert to fraction form
    185,723.30/256,299.19 = 109,245.74/x
  3. Step 3: Cross multiply
    185,723.30x = 256,299.19 × 109,245.74
  4. Step 4: Simplify right side
    185,723.30x = 27,999,593,118.34
  5. Step 5: Solve for x
    x = 27,999,593,118.34/185,723.30
  6. Step 6: Final answer
    x = 150,759.72

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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.