Home / 269,933.38-404,858.54-90,021.94

Finding the Fourth Proportional to 269,933.38, 404,858.54 and 90,021.94

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Solution

The fourth proportional to 269,933.38, 404,858.54 and 90,021.94 is: 135,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,933.38 : 404,858.54 = 90,021.94 : x
  2. Step 2: Convert to fraction form
    269,933.38/404,858.54 = 90,021.94/x
  3. Step 3: Cross multiply
    269,933.38x = 404,858.54 × 90,021.94
  4. Step 4: Simplify right side
    269,933.38x = 36,446,151,196.37
  5. Step 5: Solve for x
    x = 36,446,151,196.37/269,933.38
  6. Step 6: Final answer
    x = 135,019.06

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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.