Home / 204,441.57-306,711.77-64,200.20

Finding the Fourth Proportional to 204,441.57, 306,711.77 and 64,200.20

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Solution

The fourth proportional to 204,441.57, 306,711.77 and 64,200.20 is: 96,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,441.57 : 306,711.77 = 64,200.20 : x
  2. Step 2: Convert to fraction form
    204,441.57/306,711.77 = 64,200.20/x
  3. Step 3: Cross multiply
    204,441.57x = 306,711.77 × 64,200.20
  4. Step 4: Simplify right side
    204,441.57x = 19,690,955,121.79
  5. Step 5: Solve for x
    x = 19,690,955,121.79/204,441.57
  6. Step 6: Final answer
    x = 96,315.81

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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.