Home / 193,680.93-289,896.43-100,057.89

Finding the Fourth Proportional to 193,680.93, 289,896.43 and 100,057.89

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Solution

The fourth proportional to 193,680.93, 289,896.43 and 100,057.89 is: 149,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,680.93 : 289,896.43 = 100,057.89 : x
  2. Step 2: Convert to fraction form
    193,680.93/289,896.43 = 100,057.89/x
  3. Step 3: Cross multiply
    193,680.93x = 289,896.43 × 100,057.89
  4. Step 4: Simplify right side
    193,680.93x = 29,006,425,104.33
  5. Step 5: Solve for x
    x = 29,006,425,104.33/193,680.93
  6. Step 6: Final answer
    x = 149,763.97

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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.