Home / 226,747.73-312,911.24-124,779.79

Finding the Fourth Proportional to 226,747.73, 312,911.24 and 124,779.79

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Solution

The fourth proportional to 226,747.73, 312,911.24 and 124,779.79 is: 172,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,747.73 : 312,911.24 = 124,779.79 : x
  2. Step 2: Convert to fraction form
    226,747.73/312,911.24 = 124,779.79/x
  3. Step 3: Cross multiply
    226,747.73x = 312,911.24 × 124,779.79
  4. Step 4: Simplify right side
    226,747.73x = 39,044,998,815.84
  5. Step 5: Solve for x
    x = 39,044,998,815.84/226,747.73
  6. Step 6: Final answer
    x = 172,195.76

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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.