Home / 208,846.20-313,269.30-51,072.60

Finding the Fourth Proportional to 208,846.20, 313,269.30 and 51,072.60

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Solution

The fourth proportional to 208,846.20, 313,269.30 and 51,072.60 is: 76,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.20 : 313,269.30 = 51,072.60 : x
  2. Step 2: Convert to fraction form
    208,846.20/313,269.30 = 51,072.60/x
  3. Step 3: Cross multiply
    208,846.20x = 313,269.30 × 51,072.60
  4. Step 4: Simplify right side
    208,846.20x = 15,999,477,651.18
  5. Step 5: Solve for x
    x = 15,999,477,651.18/208,846.20
  6. Step 6: Final answer
    x = 76,608.90

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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.