Home / 204,057.23-306,003.83-77,654.09

Finding the Fourth Proportional to 204,057.23, 306,003.83 and 77,654.09

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Solution

The fourth proportional to 204,057.23, 306,003.83 and 77,654.09 is: 116,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,057.23 : 306,003.83 = 77,654.09 : x
  2. Step 2: Convert to fraction form
    204,057.23/306,003.83 = 77,654.09/x
  3. Step 3: Cross multiply
    204,057.23x = 306,003.83 × 77,654.09
  4. Step 4: Simplify right side
    204,057.23x = 23,762,449,331.90
  5. Step 5: Solve for x
    x = 23,762,449,331.90/204,057.23
  6. Step 6: Final answer
    x = 116,449.93

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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.