Home / 204,642.03-280,360.89-196,971.75

Finding the Fourth Proportional to 204,642.03, 280,360.89 and 196,971.75

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Solution

The fourth proportional to 204,642.03, 280,360.89 and 196,971.75 is: 269,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,642.03 : 280,360.89 = 196,971.75 : x
  2. Step 2: Convert to fraction form
    204,642.03/280,360.89 = 196,971.75/x
  3. Step 3: Cross multiply
    204,642.03x = 280,360.89 × 196,971.75
  4. Step 4: Simplify right side
    204,642.03x = 55,223,175,134.86
  5. Step 5: Solve for x
    x = 55,223,175,134.86/204,642.03
  6. Step 6: Final answer
    x = 269,852.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.