Home / 167,434.11-251,194.64-55,131.75

Finding the Fourth Proportional to 167,434.11, 251,194.64 and 55,131.75

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Solution

The fourth proportional to 167,434.11, 251,194.64 and 55,131.75 is: 82,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,434.11 : 251,194.64 = 55,131.75 : x
  2. Step 2: Convert to fraction form
    167,434.11/251,194.64 = 55,131.75/x
  3. Step 3: Cross multiply
    167,434.11x = 251,194.64 × 55,131.75
  4. Step 4: Simplify right side
    167,434.11x = 13,848,799,818.16
  5. Step 5: Solve for x
    x = 13,848,799,818.16/167,434.11
  6. Step 6: Final answer
    x = 82,711.94

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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.