Home / 208,918.41-313,286.36-73,937.62

Finding the Fourth Proportional to 208,918.41, 313,286.36 and 73,937.62

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Solution

The fourth proportional to 208,918.41, 313,286.36 and 73,937.62 is: 110,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,918.41 : 313,286.36 = 73,937.62 : x
  2. Step 2: Convert to fraction form
    208,918.41/313,286.36 = 73,937.62/x
  3. Step 3: Cross multiply
    208,918.41x = 313,286.36 × 73,937.62
  4. Step 4: Simplify right side
    208,918.41x = 23,163,646,961.23
  5. Step 5: Solve for x
    x = 23,163,646,961.23/208,918.41
  6. Step 6: Final answer
    x = 110,874.13

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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.