Home / 167,558.78-251,517.22-67,784.19

Finding the Fourth Proportional to 167,558.78, 251,517.22 and 67,784.19

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Solution

The fourth proportional to 167,558.78, 251,517.22 and 67,784.19 is: 101,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,558.78 : 251,517.22 = 67,784.19 : x
  2. Step 2: Convert to fraction form
    167,558.78/251,517.22 = 67,784.19/x
  3. Step 3: Cross multiply
    167,558.78x = 251,517.22 × 67,784.19
  4. Step 4: Simplify right side
    167,558.78x = 17,048,890,859.29
  5. Step 5: Solve for x
    x = 17,048,890,859.29/167,558.78
  6. Step 6: Final answer
    x = 101,748.72

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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.