Home / 193,175.33-289,690.09-80,863.36

Finding the Fourth Proportional to 193,175.33, 289,690.09 and 80,863.36

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Solution

The fourth proportional to 193,175.33, 289,690.09 and 80,863.36 is: 121,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,175.33 : 289,690.09 = 80,863.36 : x
  2. Step 2: Convert to fraction form
    193,175.33/289,690.09 = 80,863.36/x
  3. Step 3: Cross multiply
    193,175.33x = 289,690.09 × 80,863.36
  4. Step 4: Simplify right side
    193,175.33x = 23,425,313,109.72
  5. Step 5: Solve for x
    x = 23,425,313,109.72/193,175.33
  6. Step 6: Final answer
    x = 121,264.52

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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.