Home / 168,816.55-253,150.97-80,095.36

Finding the Fourth Proportional to 168,816.55, 253,150.97 and 80,095.36

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Solution

The fourth proportional to 168,816.55, 253,150.97 and 80,095.36 is: 120,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,816.55 : 253,150.97 = 80,095.36 : x
  2. Step 2: Convert to fraction form
    168,816.55/253,150.97 = 80,095.36/x
  3. Step 3: Cross multiply
    168,816.55x = 253,150.97 × 80,095.36
  4. Step 4: Simplify right side
    168,816.55x = 20,276,216,410.27
  5. Step 5: Solve for x
    x = 20,276,216,410.27/168,816.55
  6. Step 6: Final answer
    x = 120,107.99

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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.