Home / 204,138.63-281,620.40-119,218.23

Finding the Fourth Proportional to 204,138.63, 281,620.40 and 119,218.23

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Solution

The fourth proportional to 204,138.63, 281,620.40 and 119,218.23 is: 164,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,138.63 : 281,620.40 = 119,218.23 : x
  2. Step 2: Convert to fraction form
    204,138.63/281,620.40 = 119,218.23/x
  3. Step 3: Cross multiply
    204,138.63x = 281,620.40 × 119,218.23
  4. Step 4: Simplify right side
    204,138.63x = 33,574,285,023.80
  5. Step 5: Solve for x
    x = 33,574,285,023.80/204,138.63
  6. Step 6: Final answer
    x = 164,468.06

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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.