Home / 161,619.92-241,982.76-82,563.92

Finding the Fourth Proportional to 161,619.92, 241,982.76 and 82,563.92

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Solution

The fourth proportional to 161,619.92, 241,982.76 and 82,563.92 is: 123,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,619.92 : 241,982.76 = 82,563.92 : x
  2. Step 2: Convert to fraction form
    161,619.92/241,982.76 = 82,563.92/x
  3. Step 3: Cross multiply
    161,619.92x = 241,982.76 × 82,563.92
  4. Step 4: Simplify right side
    161,619.92x = 19,979,045,238.02
  5. Step 5: Solve for x
    x = 19,979,045,238.02/161,619.92
  6. Step 6: Final answer
    x = 123,617.47

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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.