Home / 297,226.26-445,078.20-163,958.40

Finding the Fourth Proportional to 297,226.26, 445,078.20 and 163,958.40

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Solution

The fourth proportional to 297,226.26, 445,078.20 and 163,958.40 is: 245,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,226.26 : 445,078.20 = 163,958.40 : x
  2. Step 2: Convert to fraction form
    297,226.26/445,078.20 = 163,958.40/x
  3. Step 3: Cross multiply
    297,226.26x = 445,078.20 × 163,958.40
  4. Step 4: Simplify right side
    297,226.26x = 72,974,309,546.88
  5. Step 5: Solve for x
    x = 72,974,309,546.88/297,226.26
  6. Step 6: Final answer
    x = 245,517.71

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1.5x scale

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.