Home / 112,194.99-154,514.13-109,745.55

Finding the Fourth Proportional to 112,194.99, 154,514.13 and 109,745.55

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Solution

The fourth proportional to 112,194.99, 154,514.13 and 109,745.55 is: 151,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,194.99 : 154,514.13 = 109,745.55 : x
  2. Step 2: Convert to fraction form
    112,194.99/154,514.13 = 109,745.55/x
  3. Step 3: Cross multiply
    112,194.99x = 154,514.13 × 109,745.55
  4. Step 4: Simplify right side
    112,194.99x = 16,957,238,179.62
  5. Step 5: Solve for x
    x = 16,957,238,179.62/112,194.99
  6. Step 6: Final answer
    x = 151,140.78

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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.