Home / 167,739.99-231,292.22-122,337.87

Finding the Fourth Proportional to 167,739.99, 231,292.22 and 122,337.87

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Solution

The fourth proportional to 167,739.99, 231,292.22 and 122,337.87 is: 168,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,739.99 : 231,292.22 = 122,337.87 : x
  2. Step 2: Convert to fraction form
    167,739.99/231,292.22 = 122,337.87/x
  3. Step 3: Cross multiply
    167,739.99x = 231,292.22 × 122,337.87
  4. Step 4: Simplify right side
    167,739.99x = 28,295,797,542.37
  5. Step 5: Solve for x
    x = 28,295,797,542.37/167,739.99
  6. Step 6: Final answer
    x = 168,688.44

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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.