Home / 339,949.72-469,139.45-186,991.85

Finding the Fourth Proportional to 339,949.72, 469,139.45 and 186,991.85

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Solution

The fourth proportional to 339,949.72, 469,139.45 and 186,991.85 is: 258,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,949.72 : 469,139.45 = 186,991.85 : x
  2. Step 2: Convert to fraction form
    339,949.72/469,139.45 = 186,991.85/x
  3. Step 3: Cross multiply
    339,949.72x = 469,139.45 × 186,991.85
  4. Step 4: Simplify right side
    339,949.72x = 87,725,253,663.48
  5. Step 5: Solve for x
    x = 87,725,253,663.48/339,949.72
  6. Step 6: Final answer
    x = 258,053.61

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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.