Home / 204,629.13-282,431.75-137,522.25

Finding the Fourth Proportional to 204,629.13, 282,431.75 and 137,522.25

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Solution

The fourth proportional to 204,629.13, 282,431.75 and 137,522.25 is: 189,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,629.13 : 282,431.75 = 137,522.25 : x
  2. Step 2: Convert to fraction form
    204,629.13/282,431.75 = 137,522.25/x
  3. Step 3: Cross multiply
    204,629.13x = 282,431.75 × 137,522.25
  4. Step 4: Simplify right side
    204,629.13x = 38,840,649,731.44
  5. Step 5: Solve for x
    x = 38,840,649,731.44/204,629.13
  6. Step 6: Final answer
    x = 189,809.97

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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.