Home / 139,217.24-192,047.22-85,514.36

Finding the Fourth Proportional to 139,217.24, 192,047.22 and 85,514.36

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Solution

The fourth proportional to 139,217.24, 192,047.22 and 85,514.36 is: 117,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,217.24 : 192,047.22 = 85,514.36 : x
  2. Step 2: Convert to fraction form
    139,217.24/192,047.22 = 85,514.36/x
  3. Step 3: Cross multiply
    139,217.24x = 192,047.22 × 85,514.36
  4. Step 4: Simplify right side
    139,217.24x = 16,422,795,108.08
  5. Step 5: Solve for x
    x = 16,422,795,108.08/139,217.24
  6. Step 6: Final answer
    x = 117,965.24

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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.