Home / 322,512.89-483,582.39-109,209.60

Finding the Fourth Proportional to 322,512.89, 483,582.39 and 109,209.60

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Solution

The fourth proportional to 322,512.89, 483,582.39 and 109,209.60 is: 163,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,512.89 : 483,582.39 = 109,209.60 : x
  2. Step 2: Convert to fraction form
    322,512.89/483,582.39 = 109,209.60/x
  3. Step 3: Cross multiply
    322,512.89x = 483,582.39 × 109,209.60
  4. Step 4: Simplify right side
    322,512.89x = 52,811,839,378.94
  5. Step 5: Solve for x
    x = 52,811,839,378.94/322,512.89
  6. Step 6: Final answer
    x = 163,751.10

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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.