Home / 203,268.82-280,531.74-117,231.16

Finding the Fourth Proportional to 203,268.82, 280,531.74 and 117,231.16

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Solution

The fourth proportional to 203,268.82, 280,531.74 and 117,231.16 is: 161,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,268.82 : 280,531.74 = 117,231.16 : x
  2. Step 2: Convert to fraction form
    203,268.82/280,531.74 = 117,231.16/x
  3. Step 3: Cross multiply
    203,268.82x = 280,531.74 × 117,231.16
  4. Step 4: Simplify right side
    203,268.82x = 32,887,061,297.02
  5. Step 5: Solve for x
    x = 32,887,061,297.02/203,268.82
  6. Step 6: Final answer
    x = 161,790.98

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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.