Home / 225,885.25-338,758.75-76,085.38

Finding the Fourth Proportional to 225,885.25, 338,758.75 and 76,085.38

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Solution

The fourth proportional to 225,885.25, 338,758.75 and 76,085.38 is: 114,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,885.25 : 338,758.75 = 76,085.38 : x
  2. Step 2: Convert to fraction form
    225,885.25/338,758.75 = 76,085.38/x
  3. Step 3: Cross multiply
    225,885.25x = 338,758.75 × 76,085.38
  4. Step 4: Simplify right side
    225,885.25x = 25,774,588,222.08
  5. Step 5: Solve for x
    x = 25,774,588,222.08/225,885.25
  6. Step 6: Final answer
    x = 114,104.79

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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.