Home / 208,958.26-313,427.66-51,178.36

Finding the Fourth Proportional to 208,958.26, 313,427.66 and 51,178.36

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Solution

The fourth proportional to 208,958.26, 313,427.66 and 51,178.36 is: 76,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,958.26 : 313,427.66 = 51,178.36 : x
  2. Step 2: Convert to fraction form
    208,958.26/313,427.66 = 51,178.36/x
  3. Step 3: Cross multiply
    208,958.26x = 313,427.66 × 51,178.36
  4. Step 4: Simplify right side
    208,958.26x = 16,040,713,617.44
  5. Step 5: Solve for x
    x = 16,040,713,617.44/208,958.26
  6. Step 6: Final answer
    x = 76,765.16

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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.