Home / 204,441.35-306,574.54-71,282.21

Finding the Fourth Proportional to 204,441.35, 306,574.54 and 71,282.21

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Solution

The fourth proportional to 204,441.35, 306,574.54 and 71,282.21 is: 106,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,441.35 : 306,574.54 = 71,282.21 : x
  2. Step 2: Convert to fraction form
    204,441.35/306,574.54 = 71,282.21/x
  3. Step 3: Cross multiply
    204,441.35x = 306,574.54 × 71,282.21
  4. Step 4: Simplify right side
    204,441.35x = 21,853,309,029.86
  5. Step 5: Solve for x
    x = 21,853,309,029.86/204,441.35
  6. Step 6: Final answer
    x = 106,892.81

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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.