Home / 148,032-204,287.04-80,965.44

Finding the Fourth Proportional to 148,032, 204,287.04 and 80,965.44

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Solution

The fourth proportional to 148,032, 204,287.04 and 80,965.44 is: 111,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,032 : 204,287.04 = 80,965.44 : x
  2. Step 2: Convert to fraction form
    148,032/204,287.04 = 80,965.44/x
  3. Step 3: Cross multiply
    148,032x = 204,287.04 × 80,965.44
  4. Step 4: Simplify right side
    148,032x = 16,540,190,079.90
  5. Step 5: Solve for x
    x = 16,540,190,079.90/148,032
  6. Step 6: Final answer
    x = 111,733.88

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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.