Home / 269,431.22-404,188.34-91,896.75

Finding the Fourth Proportional to 269,431.22, 404,188.34 and 91,896.75

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Solution

The fourth proportional to 269,431.22, 404,188.34 and 91,896.75 is: 137,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,431.22 : 404,188.34 = 91,896.75 : x
  2. Step 2: Convert to fraction form
    269,431.22/404,188.34 = 91,896.75/x
  3. Step 3: Cross multiply
    269,431.22x = 404,188.34 × 91,896.75
  4. Step 4: Simplify right side
    269,431.22x = 37,143,594,374.41
  5. Step 5: Solve for x
    x = 37,143,594,374.41/269,431.22
  6. Step 6: Final answer
    x = 137,859.28

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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.