Home / 204,556.12-282,142.03-136,538.80

Finding the Fourth Proportional to 204,556.12, 282,142.03 and 136,538.80

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Solution

The fourth proportional to 204,556.12, 282,142.03 and 136,538.80 is: 188,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,556.12 : 282,142.03 = 136,538.80 : x
  2. Step 2: Convert to fraction form
    204,556.12/282,142.03 = 136,538.80/x
  3. Step 3: Cross multiply
    204,556.12x = 282,142.03 × 136,538.80
  4. Step 4: Simplify right side
    204,556.12x = 38,523,332,453.71
  5. Step 5: Solve for x
    x = 38,523,332,453.71/204,556.12
  6. Step 6: Final answer
    x = 188,326.48

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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.