Home / 220,962.20-331,443.30-96,546.20

Finding the Fourth Proportional to 220,962.20, 331,443.30 and 96,546.20

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Solution

The fourth proportional to 220,962.20, 331,443.30 and 96,546.20 is: 144,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,962.20 : 331,443.30 = 96,546.20 : x
  2. Step 2: Convert to fraction form
    220,962.20/331,443.30 = 96,546.20/x
  3. Step 3: Cross multiply
    220,962.20x = 331,443.30 × 96,546.20
  4. Step 4: Simplify right side
    220,962.20x = 31,999,591,130.46
  5. Step 5: Solve for x
    x = 31,999,591,130.46/220,962.20
  6. Step 6: Final answer
    x = 144,819.30

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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.