Home / 204,334.20-306,501.30-109,855.80

Finding the Fourth Proportional to 204,334.20, 306,501.30 and 109,855.80

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Solution

The fourth proportional to 204,334.20, 306,501.30 and 109,855.80 is: 164,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,334.20 : 306,501.30 = 109,855.80 : x
  2. Step 2: Convert to fraction form
    204,334.20/306,501.30 = 109,855.80/x
  3. Step 3: Cross multiply
    204,334.20x = 306,501.30 × 109,855.80
  4. Step 4: Simplify right side
    204,334.20x = 33,670,945,512.54
  5. Step 5: Solve for x
    x = 33,670,945,512.54/204,334.20
  6. Step 6: Final answer
    x = 164,783.70

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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.