Home / 161,163.82-222,175.06-113,268.52

Finding the Fourth Proportional to 161,163.82, 222,175.06 and 113,268.52

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Solution

The fourth proportional to 161,163.82, 222,175.06 and 113,268.52 is: 156,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.82 : 222,175.06 = 113,268.52 : x
  2. Step 2: Convert to fraction form
    161,163.82/222,175.06 = 113,268.52/x
  3. Step 3: Cross multiply
    161,163.82x = 222,175.06 × 113,268.52
  4. Step 4: Simplify right side
    161,163.82x = 25,165,439,388.50
  5. Step 5: Solve for x
    x = 25,165,439,388.50/161,163.82
  6. Step 6: Final answer
    x = 156,148.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.