Home / 167,555.27-251,511.97-67,780.69

Finding the Fourth Proportional to 167,555.27, 251,511.97 and 67,780.69

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Solution

The fourth proportional to 167,555.27, 251,511.97 and 67,780.69 is: 101,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,555.27 : 251,511.97 = 67,780.69 : x
  2. Step 2: Convert to fraction form
    167,555.27/251,511.97 = 67,780.69/x
  3. Step 3: Cross multiply
    167,555.27x = 251,511.97 × 67,780.69
  4. Step 4: Simplify right side
    167,555.27x = 17,047,654,869.86
  5. Step 5: Solve for x
    x = 17,047,654,869.86/167,555.27
  6. Step 6: Final answer
    x = 101,743.47

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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.