Home / 204,847.76-307,366.68-86,546.72

Finding the Fourth Proportional to 204,847.76, 307,366.68 and 86,546.72

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Solution

The fourth proportional to 204,847.76, 307,366.68 and 86,546.72 is: 129,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,847.76 : 307,366.68 = 86,546.72 : x
  2. Step 2: Convert to fraction form
    204,847.76/307,366.68 = 86,546.72/x
  3. Step 3: Cross multiply
    204,847.76x = 307,366.68 × 86,546.72
  4. Step 4: Simplify right side
    204,847.76x = 26,601,577,991.29
  5. Step 5: Solve for x
    x = 26,601,577,991.29/204,847.76
  6. Step 6: Final answer
    x = 129,860.23

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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.