Home / 166,715.72-230,067.68-90,234.80

Finding the Fourth Proportional to 166,715.72, 230,067.68 and 90,234.80

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Solution

The fourth proportional to 166,715.72, 230,067.68 and 90,234.80 is: 124,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,715.72 : 230,067.68 = 90,234.80 : x
  2. Step 2: Convert to fraction form
    166,715.72/230,067.68 = 90,234.80/x
  3. Step 3: Cross multiply
    166,715.72x = 230,067.68 × 90,234.80
  4. Step 4: Simplify right side
    166,715.72x = 20,760,110,927.67
  5. Step 5: Solve for x
    x = 20,760,110,927.67/166,715.72
  6. Step 6: Final answer
    x = 124,524.02

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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.