Home / 213,367.24-320,251.74-108,261.64

Finding the Fourth Proportional to 213,367.24, 320,251.74 and 108,261.64

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Solution

The fourth proportional to 213,367.24, 320,251.74 and 108,261.64 is: 162,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,367.24 : 320,251.74 = 108,261.64 : x
  2. Step 2: Convert to fraction form
    213,367.24/320,251.74 = 108,261.64/x
  3. Step 3: Cross multiply
    213,367.24x = 320,251.74 × 108,261.64
  4. Step 4: Simplify right side
    213,367.24x = 34,670,978,585.25
  5. Step 5: Solve for x
    x = 34,670,978,585.25/213,367.24
  6. Step 6: Final answer
    x = 162,494.39

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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.