Home / 117,183.80-161,713.68-63,469.04

Finding the Fourth Proportional to 117,183.80, 161,713.68 and 63,469.04

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Solution

The fourth proportional to 117,183.80, 161,713.68 and 63,469.04 is: 87,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,183.80 : 161,713.68 = 63,469.04 : x
  2. Step 2: Convert to fraction form
    117,183.80/161,713.68 = 63,469.04/x
  3. Step 3: Cross multiply
    117,183.80x = 161,713.68 × 63,469.04
  4. Step 4: Simplify right side
    117,183.80x = 10,263,812,024.47
  5. Step 5: Solve for x
    x = 10,263,812,024.47/117,183.80
  6. Step 6: Final answer
    x = 87,587.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.