Home / 274,509.07-411,796.82-96,979.75

Finding the Fourth Proportional to 274,509.07, 411,796.82 and 96,979.75

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Solution

The fourth proportional to 274,509.07, 411,796.82 and 96,979.75 is: 145,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,509.07 : 411,796.82 = 96,979.75 : x
  2. Step 2: Convert to fraction form
    274,509.07/411,796.82 = 96,979.75/x
  3. Step 3: Cross multiply
    274,509.07x = 411,796.82 × 96,979.75
  4. Step 4: Simplify right side
    274,509.07x = 39,935,951,867.35
  5. Step 5: Solve for x
    x = 39,935,951,867.35/274,509.07
  6. Step 6: Final answer
    x = 145,481.36

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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.