Home / 167,622.20-251,432.64-67,781.19

Finding the Fourth Proportional to 167,622.20, 251,432.64 and 67,781.19

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Solution

The fourth proportional to 167,622.20, 251,432.64 and 67,781.19 is: 101,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622.20 : 251,432.64 = 67,781.19 : x
  2. Step 2: Convert to fraction form
    167,622.20/251,432.64 = 67,781.19/x
  3. Step 3: Cross multiply
    167,622.20x = 251,432.64 × 67,781.19
  4. Step 4: Simplify right side
    167,622.20x = 17,042,403,544.04
  5. Step 5: Solve for x
    x = 17,042,403,544.04/167,622.20
  6. Step 6: Final answer
    x = 101,671.52

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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.