Home / 204,786.46-307,318.08-71,667.88

Finding the Fourth Proportional to 204,786.46, 307,318.08 and 71,667.88

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Solution

The fourth proportional to 204,786.46, 307,318.08 and 71,667.88 is: 107,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,786.46 : 307,318.08 = 71,667.88 : x
  2. Step 2: Convert to fraction form
    204,786.46/307,318.08 = 71,667.88/x
  3. Step 3: Cross multiply
    204,786.46x = 307,318.08 × 71,667.88
  4. Step 4: Simplify right side
    204,786.46x = 22,024,835,279.27
  5. Step 5: Solve for x
    x = 22,024,835,279.27/204,786.46
  6. Step 6: Final answer
    x = 107,550.25

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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.