Home / 203,603.72-280,986.42-117,566.33

Finding the Fourth Proportional to 203,603.72, 280,986.42 and 117,566.33

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Solution

The fourth proportional to 203,603.72, 280,986.42 and 117,566.33 is: 162,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,603.72 : 280,986.42 = 117,566.33 : x
  2. Step 2: Convert to fraction form
    203,603.72/280,986.42 = 117,566.33/x
  3. Step 3: Cross multiply
    203,603.72x = 280,986.42 × 117,566.33
  4. Step 4: Simplify right side
    203,603.72x = 33,034,540,186.47
  5. Step 5: Solve for x
    x = 33,034,540,186.47/203,603.72
  6. Step 6: Final answer
    x = 162,249.20

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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.