Home / 161,828.20-242,790.14-82,997.80

Finding the Fourth Proportional to 161,828.20, 242,790.14 and 82,997.80

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Solution

The fourth proportional to 161,828.20, 242,790.14 and 82,997.80 is: 124,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828.20 : 242,790.14 = 82,997.80 : x
  2. Step 2: Convert to fraction form
    161,828.20/242,790.14 = 82,997.80/x
  3. Step 3: Cross multiply
    161,828.20x = 242,790.14 × 82,997.80
  4. Step 4: Simplify right side
    161,828.20x = 20,151,047,481.69
  5. Step 5: Solve for x
    x = 20,151,047,481.69/161,828.20
  6. Step 6: Final answer
    x = 124,521.24

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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.