Home / 226,111.38-339,163.56-76,456.80

Finding the Fourth Proportional to 226,111.38, 339,163.56 and 76,456.80

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Solution

The fourth proportional to 226,111.38, 339,163.56 and 76,456.80 is: 114,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,111.38 : 339,163.56 = 76,456.80 : x
  2. Step 2: Convert to fraction form
    226,111.38/339,163.56 = 76,456.80/x
  3. Step 3: Cross multiply
    226,111.38x = 339,163.56 × 76,456.80
  4. Step 4: Simplify right side
    226,111.38x = 25,931,360,474.21
  5. Step 5: Solve for x
    x = 25,931,360,474.21/226,111.38
  6. Step 6: Final answer
    x = 114,684.01

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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.