Home / 362,081.12-543,479.20-271,809.96

Finding the Fourth Proportional to 362,081.12, 543,479.20 and 271,809.96

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Solution

The fourth proportional to 362,081.12, 543,479.20 and 271,809.96 is: 407,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,081.12 : 543,479.20 = 271,809.96 : x
  2. Step 2: Convert to fraction form
    362,081.12/543,479.20 = 271,809.96/x
  3. Step 3: Cross multiply
    362,081.12x = 543,479.20 × 271,809.96
  4. Step 4: Simplify right side
    362,081.12x = 147,723,057,659.73
  5. Step 5: Solve for x
    x = 147,723,057,659.73/362,081.12
  6. Step 6: Final answer
    x = 407,983.33

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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.