Home / 206,427.78-309,605.22-94,081.32

Finding the Fourth Proportional to 206,427.78, 309,605.22 and 94,081.32

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Solution

The fourth proportional to 206,427.78, 309,605.22 and 94,081.32 is: 141,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,427.78 : 309,605.22 = 94,081.32 : x
  2. Step 2: Convert to fraction form
    206,427.78/309,605.22 = 94,081.32/x
  3. Step 3: Cross multiply
    206,427.78x = 309,605.22 × 94,081.32
  4. Step 4: Simplify right side
    206,427.78x = 29,128,067,776.49
  5. Step 5: Solve for x
    x = 29,128,067,776.49/206,427.78
  6. Step 6: Final answer
    x = 141,105.37

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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.