Home / 226,648.26-339,899.81-74,811.38

Finding the Fourth Proportional to 226,648.26, 339,899.81 and 74,811.38

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Solution

The fourth proportional to 226,648.26, 339,899.81 and 74,811.38 is: 112,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,648.26 : 339,899.81 = 74,811.38 : x
  2. Step 2: Convert to fraction form
    226,648.26/339,899.81 = 74,811.38/x
  3. Step 3: Cross multiply
    226,648.26x = 339,899.81 × 74,811.38
  4. Step 4: Simplify right side
    226,648.26x = 25,428,371,774.28
  5. Step 5: Solve for x
    x = 25,428,371,774.28/226,648.26
  6. Step 6: Final answer
    x = 112,193.10

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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.