Home / 204,933.20-282,829.56-120,121.52

Finding the Fourth Proportional to 204,933.20, 282,829.56 and 120,121.52

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Solution

The fourth proportional to 204,933.20, 282,829.56 and 120,121.52 is: 165,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,933.20 : 282,829.56 = 120,121.52 : x
  2. Step 2: Convert to fraction form
    204,933.20/282,829.56 = 120,121.52/x
  3. Step 3: Cross multiply
    204,933.20x = 282,829.56 × 120,121.52
  4. Step 4: Simplify right side
    204,933.20x = 33,973,916,648.13
  5. Step 5: Solve for x
    x = 33,973,916,648.13/204,933.20
  6. Step 6: Final answer
    x = 165,780.44

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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.