Home / 204,172.68-281,739.06-189,126.12

Finding the Fourth Proportional to 204,172.68, 281,739.06 and 189,126.12

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Solution

The fourth proportional to 204,172.68, 281,739.06 and 189,126.12 is: 260,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,172.68 : 281,739.06 = 189,126.12 : x
  2. Step 2: Convert to fraction form
    204,172.68/281,739.06 = 189,126.12/x
  3. Step 3: Cross multiply
    204,172.68x = 281,739.06 × 189,126.12
  4. Step 4: Simplify right side
    204,172.68x = 53,284,215,270.25
  5. Step 5: Solve for x
    x = 53,284,215,270.25/204,172.68
  6. Step 6: Final answer
    x = 260,976.22

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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.