Home / 297,320.08-445,976.20-72,682.48

Finding the Fourth Proportional to 297,320.08, 445,976.20 and 72,682.48

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Solution

The fourth proportional to 297,320.08, 445,976.20 and 72,682.48 is: 109,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,320.08 : 445,976.20 = 72,682.48 : x
  2. Step 2: Convert to fraction form
    297,320.08/445,976.20 = 72,682.48/x
  3. Step 3: Cross multiply
    297,320.08x = 445,976.20 × 72,682.48
  4. Step 4: Simplify right side
    297,320.08x = 32,414,656,236.98
  5. Step 5: Solve for x
    x = 32,414,656,236.98/297,320.08
  6. Step 6: Final answer
    x = 109,022.76

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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.