Home / 203,197.82-280,386.42-117,160.04

Finding the Fourth Proportional to 203,197.82, 280,386.42 and 117,160.04

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Solution

The fourth proportional to 203,197.82, 280,386.42 and 117,160.04 is: 161,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,197.82 : 280,386.42 = 117,160.04 : x
  2. Step 2: Convert to fraction form
    203,197.82/280,386.42 = 117,160.04/x
  3. Step 3: Cross multiply
    203,197.82x = 280,386.42 × 117,160.04
  4. Step 4: Simplify right side
    203,197.82x = 32,850,084,182.66
  5. Step 5: Solve for x
    x = 32,850,084,182.66/203,197.82
  6. Step 6: Final answer
    x = 161,665.53

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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.