Home / 161,936.56-242,912.13-49,608.61

Finding the Fourth Proportional to 161,936.56, 242,912.13 and 49,608.61

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Solution

The fourth proportional to 161,936.56, 242,912.13 and 49,608.61 is: 74,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.56 : 242,912.13 = 49,608.61 : x
  2. Step 2: Convert to fraction form
    161,936.56/242,912.13 = 49,608.61/x
  3. Step 3: Cross multiply
    161,936.56x = 242,912.13 × 49,608.61
  4. Step 4: Simplify right side
    161,936.56x = 12,050,533,121.44
  5. Step 5: Solve for x
    x = 12,050,533,121.44/161,936.56
  6. Step 6: Final answer
    x = 74,415.15

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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.