Home / 167,400.16-251,072.49-55,081.78

Finding the Fourth Proportional to 167,400.16, 251,072.49 and 55,081.78

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Solution

The fourth proportional to 167,400.16, 251,072.49 and 55,081.78 is: 82,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.16 : 251,072.49 = 55,081.78 : x
  2. Step 2: Convert to fraction form
    167,400.16/251,072.49 = 55,081.78/x
  3. Step 3: Cross multiply
    167,400.16x = 251,072.49 × 55,081.78
  4. Step 4: Simplify right side
    167,400.16x = 13,829,519,658.23
  5. Step 5: Solve for x
    x = 13,829,519,658.23/167,400.16
  6. Step 6: Final answer
    x = 82,613.54

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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.