Home / 204,865.13-282,759.26-133,120.60

Finding the Fourth Proportional to 204,865.13, 282,759.26 and 133,120.60

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Solution

The fourth proportional to 204,865.13, 282,759.26 and 133,120.60 is: 183,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,865.13 : 282,759.26 = 133,120.60 : x
  2. Step 2: Convert to fraction form
    204,865.13/282,759.26 = 133,120.60/x
  3. Step 3: Cross multiply
    204,865.13x = 282,759.26 × 133,120.60
  4. Step 4: Simplify right side
    204,865.13x = 37,641,080,974.25
  5. Step 5: Solve for x
    x = 37,641,080,974.25/204,865.13
  6. Step 6: Final answer
    x = 183,735.91

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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.