Home / 204,226.80-306,340.20-115,653.30

Finding the Fourth Proportional to 204,226.80, 306,340.20 and 115,653.30

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Solution

The fourth proportional to 204,226.80, 306,340.20 and 115,653.30 is: 173,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,226.80 : 306,340.20 = 115,653.30 : x
  2. Step 2: Convert to fraction form
    204,226.80/306,340.20 = 115,653.30/x
  3. Step 3: Cross multiply
    204,226.80x = 306,340.20 × 115,653.30
  4. Step 4: Simplify right side
    204,226.80x = 35,429,255,052.66
  5. Step 5: Solve for x
    x = 35,429,255,052.66/204,226.80
  6. Step 6: Final answer
    x = 173,479.95

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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.