Home / 122,268.96-168,745.68-79,950.24

Finding the Fourth Proportional to 122,268.96, 168,745.68 and 79,950.24

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Solution

The fourth proportional to 122,268.96, 168,745.68 and 79,950.24 is: 110,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,268.96 : 168,745.68 = 79,950.24 : x
  2. Step 2: Convert to fraction form
    122,268.96/168,745.68 = 79,950.24/x
  3. Step 3: Cross multiply
    122,268.96x = 168,745.68 × 79,950.24
  4. Step 4: Simplify right side
    122,268.96x = 13,491,257,614.96
  5. Step 5: Solve for x
    x = 13,491,257,614.96/122,268.96
  6. Step 6: Final answer
    x = 110,340.82

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1.5x scale

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.