Home / 204,537.80-282,296.58-131,920.28

Finding the Fourth Proportional to 204,537.80, 282,296.58 and 131,920.28

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Solution

The fourth proportional to 204,537.80, 282,296.58 and 131,920.28 is: 182,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,537.80 : 282,296.58 = 131,920.28 : x
  2. Step 2: Convert to fraction form
    204,537.80/282,296.58 = 131,920.28/x
  3. Step 3: Cross multiply
    204,537.80x = 282,296.58 × 131,920.28
  4. Step 4: Simplify right side
    204,537.80x = 37,240,643,876.64
  5. Step 5: Solve for x
    x = 37,240,643,876.64/204,537.80
  6. Step 6: Final answer
    x = 182,072.18

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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.