Home / 306,321.20-459,481.79-95,959.13

Finding the Fourth Proportional to 306,321.20, 459,481.79 and 95,959.13

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Solution

The fourth proportional to 306,321.20, 459,481.79 and 95,959.13 is: 143,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,321.20 : 459,481.79 = 95,959.13 : x
  2. Step 2: Convert to fraction form
    306,321.20/459,481.79 = 95,959.13/x
  3. Step 3: Cross multiply
    306,321.20x = 459,481.79 × 95,959.13
  4. Step 4: Simplify right side
    306,321.20x = 44,091,470,042.04
  5. Step 5: Solve for x
    x = 44,091,470,042.04/306,321.20
  6. Step 6: Final answer
    x = 143,938.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.