Home / 117,142.80-175,687.86-53,902.26

Finding the Fourth Proportional to 117,142.80, 175,687.86 and 53,902.26

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Solution

The fourth proportional to 117,142.80, 175,687.86 and 53,902.26 is: 80,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,142.80 : 175,687.86 = 53,902.26 : x
  2. Step 2: Convert to fraction form
    117,142.80/175,687.86 = 53,902.26/x
  3. Step 3: Cross multiply
    117,142.80x = 175,687.86 × 53,902.26
  4. Step 4: Simplify right side
    117,142.80x = 9,469,972,708.56
  5. Step 5: Solve for x
    x = 9,469,972,708.56/117,142.80
  6. Step 6: Final answer
    x = 80,841.27

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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.