Home / 226,086.54-339,126.36-76,431.96

Finding the Fourth Proportional to 226,086.54, 339,126.36 and 76,431.96

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Solution

The fourth proportional to 226,086.54, 339,126.36 and 76,431.96 is: 114,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,086.54 : 339,126.36 = 76,431.96 : x
  2. Step 2: Convert to fraction form
    226,086.54/339,126.36 = 76,431.96/x
  3. Step 3: Cross multiply
    226,086.54x = 339,126.36 × 76,431.96
  4. Step 4: Simplify right side
    226,086.54x = 25,920,092,382.47
  5. Step 5: Solve for x
    x = 25,920,092,382.47/226,086.54
  6. Step 6: Final answer
    x = 114,646.77

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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.