Home / 266,519.70-367,761.64-171,155.56

Finding the Fourth Proportional to 266,519.70, 367,761.64 and 171,155.56

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Solution

The fourth proportional to 266,519.70, 367,761.64 and 171,155.56 is: 236,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,519.70 : 367,761.64 = 171,155.56 : x
  2. Step 2: Convert to fraction form
    266,519.70/367,761.64 = 171,155.56/x
  3. Step 3: Cross multiply
    266,519.70x = 367,761.64 × 171,155.56
  4. Step 4: Simplify right side
    266,519.70x = 62,944,449,440.72
  5. Step 5: Solve for x
    x = 62,944,449,440.72/266,519.70
  6. Step 6: Final answer
    x = 236,171.85

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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.