Home / 269,471.09-404,248.16-91,936.72

Finding the Fourth Proportional to 269,471.09, 404,248.16 and 91,936.72

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Solution

The fourth proportional to 269,471.09, 404,248.16 and 91,936.72 is: 137,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,471.09 : 404,248.16 = 91,936.72 : x
  2. Step 2: Convert to fraction form
    269,471.09/404,248.16 = 91,936.72/x
  3. Step 3: Cross multiply
    269,471.09x = 404,248.16 × 91,936.72
  4. Step 4: Simplify right side
    269,471.09x = 37,165,247,415.51
  5. Step 5: Solve for x
    x = 37,165,247,415.51/269,471.09
  6. Step 6: Final answer
    x = 137,919.24

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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.