Home / 204,079.36-281,634.72-112,197.52

Finding the Fourth Proportional to 204,079.36, 281,634.72 and 112,197.52

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Solution

The fourth proportional to 204,079.36, 281,634.72 and 112,197.52 is: 154,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,079.36 : 281,634.72 = 112,197.52 : x
  2. Step 2: Convert to fraction form
    204,079.36/281,634.72 = 112,197.52/x
  3. Step 3: Cross multiply
    204,079.36x = 281,634.72 × 112,197.52
  4. Step 4: Simplify right side
    204,079.36x = 31,598,717,129.89
  5. Step 5: Solve for x
    x = 31,598,717,129.89/204,079.36
  6. Step 6: Final answer
    x = 154,835.44

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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.