Home / 204,556.24-282,142.20-136,538.92

Finding the Fourth Proportional to 204,556.24, 282,142.20 and 136,538.92

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Solution

The fourth proportional to 204,556.24, 282,142.20 and 136,538.92 is: 188,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,556.24 : 282,142.20 = 136,538.92 : x
  2. Step 2: Convert to fraction form
    204,556.24/282,142.20 = 136,538.92/x
  3. Step 3: Cross multiply
    204,556.24x = 282,142.20 × 136,538.92
  4. Step 4: Simplify right side
    204,556.24x = 38,523,391,274.42
  5. Step 5: Solve for x
    x = 38,523,391,274.42/204,556.24
  6. Step 6: Final answer
    x = 188,326.65

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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.