Home / 226,629.79-339,907.72-66,668.30

Finding the Fourth Proportional to 226,629.79, 339,907.72 and 66,668.30

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Solution

The fourth proportional to 226,629.79, 339,907.72 and 66,668.30 is: 99,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,629.79 : 339,907.72 = 66,668.30 : x
  2. Step 2: Convert to fraction form
    226,629.79/339,907.72 = 66,668.30/x
  3. Step 3: Cross multiply
    226,629.79x = 339,907.72 × 66,668.30
  4. Step 4: Simplify right side
    226,629.79x = 22,661,069,382.72
  5. Step 5: Solve for x
    x = 22,661,069,382.72/226,629.79
  6. Step 6: Final answer
    x = 99,991.57

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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.