Home / 230,932.80-346,399.20-220,107.15

Finding the Fourth Proportional to 230,932.80, 346,399.20 and 220,107.15

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Solution

The fourth proportional to 230,932.80, 346,399.20 and 220,107.15 is: 330,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,932.80 : 346,399.20 = 220,107.15 : x
  2. Step 2: Convert to fraction form
    230,932.80/346,399.20 = 220,107.15/x
  3. Step 3: Cross multiply
    230,932.80x = 346,399.20 × 220,107.15
  4. Step 4: Simplify right side
    230,932.80x = 76,244,940,674.28
  5. Step 5: Solve for x
    x = 76,244,940,674.28/230,932.80
  6. Step 6: Final answer
    x = 330,160.73

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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.