Home / 204,575.76-282,401.91-137,546.64

Finding the Fourth Proportional to 204,575.76, 282,401.91 and 137,546.64

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Solution

The fourth proportional to 204,575.76, 282,401.91 and 137,546.64 is: 189,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,575.76 : 282,401.91 = 137,546.64 : x
  2. Step 2: Convert to fraction form
    204,575.76/282,401.91 = 137,546.64/x
  3. Step 3: Cross multiply
    204,575.76x = 282,401.91 × 137,546.64
  4. Step 4: Simplify right side
    204,575.76x = 38,843,433,850.08
  5. Step 5: Solve for x
    x = 38,843,433,850.08/204,575.76
  6. Step 6: Final answer
    x = 189,873.10

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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.