Home / 226,442.10-339,677.61-76,661.70

Finding the Fourth Proportional to 226,442.10, 339,677.61 and 76,661.70

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Solution

The fourth proportional to 226,442.10, 339,677.61 and 76,661.70 is: 114,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,442.10 : 339,677.61 = 76,661.70 : x
  2. Step 2: Convert to fraction form
    226,442.10/339,677.61 = 76,661.70/x
  3. Step 3: Cross multiply
    226,442.10x = 339,677.61 × 76,661.70
  4. Step 4: Simplify right side
    226,442.10x = 26,040,263,034.54
  5. Step 5: Solve for x
    x = 26,040,263,034.54/226,442.10
  6. Step 6: Final answer
    x = 114,997.45

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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.