Home / 214,899.12-322,348.32-57,127.59

Finding the Fourth Proportional to 214,899.12, 322,348.32 and 57,127.59

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Solution

The fourth proportional to 214,899.12, 322,348.32 and 57,127.59 is: 85,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,899.12 : 322,348.32 = 57,127.59 : x
  2. Step 2: Convert to fraction form
    214,899.12/322,348.32 = 57,127.59/x
  3. Step 3: Cross multiply
    214,899.12x = 322,348.32 × 57,127.59
  4. Step 4: Simplify right side
    214,899.12x = 18,414,982,662.15
  5. Step 5: Solve for x
    x = 18,414,982,662.15/214,899.12
  6. Step 6: Final answer
    x = 85,691.29

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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.