Home / 226,046.88-311,930.64-125,442.72

Finding the Fourth Proportional to 226,046.88, 311,930.64 and 125,442.72

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Solution

The fourth proportional to 226,046.88, 311,930.64 and 125,442.72 is: 173,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,046.88 : 311,930.64 = 125,442.72 : x
  2. Step 2: Convert to fraction form
    226,046.88/311,930.64 = 125,442.72/x
  3. Step 3: Cross multiply
    226,046.88x = 311,930.64 × 125,442.72
  4. Step 4: Simplify right side
    226,046.88x = 39,129,427,932.94
  5. Step 5: Solve for x
    x = 39,129,427,932.94/226,046.88
  6. Step 6: Final answer
    x = 173,103.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.