Home / 167,961.85-251,941.20-68,098.30

Finding the Fourth Proportional to 167,961.85, 251,941.20 and 68,098.30

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Solution

The fourth proportional to 167,961.85, 251,941.20 and 68,098.30 is: 102,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,961.85 : 251,941.20 = 68,098.30 : x
  2. Step 2: Convert to fraction form
    167,961.85/251,941.20 = 68,098.30/x
  3. Step 3: Cross multiply
    167,961.85x = 251,941.20 × 68,098.30
  4. Step 4: Simplify right side
    167,961.85x = 17,156,767,419.96
  5. Step 5: Solve for x
    x = 17,156,767,419.96/167,961.85
  6. Step 6: Final answer
    x = 102,146.81

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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.