Home / 204,556.62-282,142.72-136,539.30

Finding the Fourth Proportional to 204,556.62, 282,142.72 and 136,539.30

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Solution

The fourth proportional to 204,556.62, 282,142.72 and 136,539.30 is: 188,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,556.62 : 282,142.72 = 136,539.30 : x
  2. Step 2: Convert to fraction form
    204,556.62/282,142.72 = 136,539.30/x
  3. Step 3: Cross multiply
    204,556.62x = 282,142.72 × 136,539.30
  4. Step 4: Simplify right side
    204,556.62x = 38,523,567,395.49
  5. Step 5: Solve for x
    x = 38,523,567,395.49/204,556.62
  6. Step 6: Final answer
    x = 188,327.17

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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.