Home / 165,517.67-228,644.96-159,372.87

Finding the Fourth Proportional to 165,517.67, 228,644.96 and 159,372.87

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Solution

The fourth proportional to 165,517.67, 228,644.96 and 159,372.87 is: 220,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,517.67 : 228,644.96 = 159,372.87 : x
  2. Step 2: Convert to fraction form
    165,517.67/228,644.96 = 159,372.87/x
  3. Step 3: Cross multiply
    165,517.67x = 228,644.96 × 159,372.87
  4. Step 4: Simplify right side
    165,517.67x = 36,439,802,689.37
  5. Step 5: Solve for x
    x = 36,439,802,689.37/165,517.67
  6. Step 6: Final answer
    x = 220,156.58

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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.