Home / 167,933.86-231,752.88-103,379.09

Finding the Fourth Proportional to 167,933.86, 231,752.88 and 103,379.09

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Solution

The fourth proportional to 167,933.86, 231,752.88 and 103,379.09 is: 142,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,933.86 : 231,752.88 = 103,379.09 : x
  2. Step 2: Convert to fraction form
    167,933.86/231,752.88 = 103,379.09/x
  3. Step 3: Cross multiply
    167,933.86x = 231,752.88 × 103,379.09
  4. Step 4: Simplify right side
    167,933.86x = 23,958,400,680.51
  5. Step 5: Solve for x
    x = 23,958,400,680.51/167,933.86
  6. Step 6: Final answer
    x = 142,665.70

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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.