Home / 204,433.86-306,689.76-71,352.12

Finding the Fourth Proportional to 204,433.86, 306,689.76 and 71,352.12

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Solution

The fourth proportional to 204,433.86, 306,689.76 and 71,352.12 is: 107,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,433.86 : 306,689.76 = 71,352.12 : x
  2. Step 2: Convert to fraction form
    204,433.86/306,689.76 = 71,352.12/x
  3. Step 3: Cross multiply
    204,433.86x = 306,689.76 × 71,352.12
  4. Step 4: Simplify right side
    204,433.86x = 21,882,964,558.29
  5. Step 5: Solve for x
    x = 21,882,964,558.29/204,433.86
  6. Step 6: Final answer
    x = 107,041.78

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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.