Home / 215,786.44-297,785.28-120,299.23

Finding the Fourth Proportional to 215,786.44, 297,785.28 and 120,299.23

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Solution

The fourth proportional to 215,786.44, 297,785.28 and 120,299.23 is: 166,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,786.44 : 297,785.28 = 120,299.23 : x
  2. Step 2: Convert to fraction form
    215,786.44/297,785.28 = 120,299.23/x
  3. Step 3: Cross multiply
    215,786.44x = 297,785.28 × 120,299.23
  4. Step 4: Simplify right side
    215,786.44x = 35,823,339,889.33
  5. Step 5: Solve for x
    x = 35,823,339,889.33/215,786.44
  6. Step 6: Final answer
    x = 166,012.93

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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.