Home / 225,623.84-338,436.54-57,144.08

Finding the Fourth Proportional to 225,623.84, 338,436.54 and 57,144.08

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Solution

The fourth proportional to 225,623.84, 338,436.54 and 57,144.08 is: 85,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,623.84 : 338,436.54 = 57,144.08 : x
  2. Step 2: Convert to fraction form
    225,623.84/338,436.54 = 57,144.08/x
  3. Step 3: Cross multiply
    225,623.84x = 338,436.54 × 57,144.08
  4. Step 4: Simplify right side
    225,623.84x = 19,339,644,716.68
  5. Step 5: Solve for x
    x = 19,339,644,716.68/225,623.84
  6. Step 6: Final answer
    x = 85,716.32

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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.