Home / 226,021.51-339,078.89-74,230.03

Finding the Fourth Proportional to 226,021.51, 339,078.89 and 74,230.03

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Solution

The fourth proportional to 226,021.51, 339,078.89 and 74,230.03 is: 111,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,021.51 : 339,078.89 = 74,230.03 : x
  2. Step 2: Convert to fraction form
    226,021.51/339,078.89 = 74,230.03/x
  3. Step 3: Cross multiply
    226,021.51x = 339,078.89 × 74,230.03
  4. Step 4: Simplify right side
    226,021.51x = 25,169,836,177.07
  5. Step 5: Solve for x
    x = 25,169,836,177.07/226,021.51
  6. Step 6: Final answer
    x = 111,360.36

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1.5x scale

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.