Home / 165,780.62-248,672.64-132,710.94

Finding the Fourth Proportional to 165,780.62, 248,672.64 and 132,710.94

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Solution

The fourth proportional to 165,780.62, 248,672.64 and 132,710.94 is: 199,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,780.62 : 248,672.64 = 132,710.94 : x
  2. Step 2: Convert to fraction form
    165,780.62/248,672.64 = 132,710.94/x
  3. Step 3: Cross multiply
    165,780.62x = 248,672.64 × 132,710.94
  4. Step 4: Simplify right side
    165,780.62x = 33,001,579,806.68
  5. Step 5: Solve for x
    x = 33,001,579,806.68/165,780.62
  6. Step 6: Final answer
    x = 199,067.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.