Home / 351,377.10-527,067.27-85,137.39

Finding the Fourth Proportional to 351,377.10, 527,067.27 and 85,137.39

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Solution

The fourth proportional to 351,377.10, 527,067.27 and 85,137.39 is: 127,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,377.10 : 527,067.27 = 85,137.39 : x
  2. Step 2: Convert to fraction form
    351,377.10/527,067.27 = 85,137.39/x
  3. Step 3: Cross multiply
    351,377.10x = 527,067.27 × 85,137.39
  4. Step 4: Simplify right side
    351,377.10x = 44,873,131,722.23
  5. Step 5: Solve for x
    x = 44,873,131,722.23/351,377.10
  6. Step 6: Final answer
    x = 127,706.48

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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.