Home / 213,935.74-295,158.78-123,288.85

Finding the Fourth Proportional to 213,935.74, 295,158.78 and 123,288.85

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Solution

The fourth proportional to 213,935.74, 295,158.78 and 123,288.85 is: 170,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,935.74 : 295,158.78 = 123,288.85 : x
  2. Step 2: Convert to fraction form
    213,935.74/295,158.78 = 123,288.85/x
  3. Step 3: Cross multiply
    213,935.74x = 295,158.78 × 123,288.85
  4. Step 4: Simplify right side
    213,935.74x = 36,389,786,553.60
  5. Step 5: Solve for x
    x = 36,389,786,553.60/213,935.74
  6. Step 6: Final answer
    x = 170,096.81

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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.