Home / 204,899.10-307,331.37-115,872.54

Finding the Fourth Proportional to 204,899.10, 307,331.37 and 115,872.54

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Solution

The fourth proportional to 204,899.10, 307,331.37 and 115,872.54 is: 173,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,899.10 : 307,331.37 = 115,872.54 : x
  2. Step 2: Convert to fraction form
    204,899.10/307,331.37 = 115,872.54/x
  3. Step 3: Cross multiply
    204,899.10x = 307,331.37 × 115,872.54
  4. Step 4: Simplify right side
    204,899.10x = 35,611,266,463.58
  5. Step 5: Solve for x
    x = 35,611,266,463.58/204,899.10
  6. Step 6: Final answer
    x = 173,799.04

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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.