Home / 208,876.07-313,320.24-51,104.54

Finding the Fourth Proportional to 208,876.07, 313,320.24 and 51,104.54

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Solution

The fourth proportional to 208,876.07, 313,320.24 and 51,104.54 is: 76,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,876.07 : 313,320.24 = 51,104.54 : x
  2. Step 2: Convert to fraction form
    208,876.07/313,320.24 = 51,104.54/x
  3. Step 3: Cross multiply
    208,876.07x = 313,320.24 × 51,104.54
  4. Step 4: Simplify right side
    208,876.07x = 16,012,085,171.29
  5. Step 5: Solve for x
    x = 16,012,085,171.29/208,876.07
  6. Step 6: Final answer
    x = 76,658.31

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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.