Home / 322,511.38-483,580.13-109,208.09

Finding the Fourth Proportional to 322,511.38, 483,580.13 and 109,208.09

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Solution

The fourth proportional to 322,511.38, 483,580.13 and 109,208.09 is: 163,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,511.38 : 483,580.13 = 109,208.09 : x
  2. Step 2: Convert to fraction form
    322,511.38/483,580.13 = 109,208.09/x
  3. Step 3: Cross multiply
    322,511.38x = 483,580.13 × 109,208.09
  4. Step 4: Simplify right side
    322,511.38x = 52,810,863,022.16
  5. Step 5: Solve for x
    x = 52,810,863,022.16/322,511.38
  6. Step 6: Final answer
    x = 163,748.84

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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.