Home / 322,380.20-483,443.62-109,089.38

Finding the Fourth Proportional to 322,380.20, 483,443.62 and 109,089.38

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Solution

The fourth proportional to 322,380.20, 483,443.62 and 109,089.38 is: 163,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,380.20 : 483,443.62 = 109,089.38 : x
  2. Step 2: Convert to fraction form
    322,380.20/483,443.62 = 109,089.38/x
  3. Step 3: Cross multiply
    322,380.20x = 483,443.62 × 109,089.38
  4. Step 4: Simplify right side
    322,380.20x = 52,738,565,706.64
  5. Step 5: Solve for x
    x = 52,738,565,706.64/322,380.20
  6. Step 6: Final answer
    x = 163,591.20

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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.