Home / 143,938.54-215,910.51-49,190.41

Finding the Fourth Proportional to 143,938.54, 215,910.51 and 49,190.41

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Solution

The fourth proportional to 143,938.54, 215,910.51 and 49,190.41 is: 73,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,938.54 : 215,910.51 = 49,190.41 : x
  2. Step 2: Convert to fraction form
    143,938.54/215,910.51 = 49,190.41/x
  3. Step 3: Cross multiply
    143,938.54x = 215,910.51 × 49,190.41
  4. Step 4: Simplify right side
    143,938.54x = 10,620,726,510.21
  5. Step 5: Solve for x
    x = 10,620,726,510.21/143,938.54
  6. Step 6: Final answer
    x = 73,786.54

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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.