Home / 211,097.55-316,643.49-51,174.87

Finding the Fourth Proportional to 211,097.55, 316,643.49 and 51,174.87

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Solution

The fourth proportional to 211,097.55, 316,643.49 and 51,174.87 is: 76,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,097.55 : 316,643.49 = 51,174.87 : x
  2. Step 2: Convert to fraction form
    211,097.55/316,643.49 = 51,174.87/x
  3. Step 3: Cross multiply
    211,097.55x = 316,643.49 × 51,174.87
  4. Step 4: Simplify right side
    211,097.55x = 16,204,188,249.68
  5. Step 5: Solve for x
    x = 16,204,188,249.68/211,097.55
  6. Step 6: Final answer
    x = 76,761.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.