Home / 204,540.96-282,209.76-131,913.12

Finding the Fourth Proportional to 204,540.96, 282,209.76 and 131,913.12

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Solution

The fourth proportional to 204,540.96, 282,209.76 and 131,913.12 is: 182,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,540.96 : 282,209.76 = 131,913.12 : x
  2. Step 2: Convert to fraction form
    204,540.96/282,209.76 = 131,913.12/x
  3. Step 3: Cross multiply
    204,540.96x = 282,209.76 × 131,913.12
  4. Step 4: Simplify right side
    204,540.96x = 37,227,169,936.05
  5. Step 5: Solve for x
    x = 37,227,169,936.05/204,540.96
  6. Step 6: Final answer
    x = 182,003.50

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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.