Home / 185,620.76-256,142.46-109,142.96

Finding the Fourth Proportional to 185,620.76, 256,142.46 and 109,142.96

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Solution

The fourth proportional to 185,620.76, 256,142.46 and 109,142.96 is: 150,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,620.76 : 256,142.46 = 109,142.96 : x
  2. Step 2: Convert to fraction form
    185,620.76/256,142.46 = 109,142.96/x
  3. Step 3: Cross multiply
    185,620.76x = 256,142.46 × 109,142.96
  4. Step 4: Simplify right side
    185,620.76x = 27,956,146,266.08
  5. Step 5: Solve for x
    x = 27,956,146,266.08/185,620.76
  6. Step 6: Final answer
    x = 150,608.94

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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.