Home / 165,861.67-228,708.21-112,053.25

Finding the Fourth Proportional to 165,861.67, 228,708.21 and 112,053.25

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Solution

The fourth proportional to 165,861.67, 228,708.21 and 112,053.25 is: 154,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,861.67 : 228,708.21 = 112,053.25 : x
  2. Step 2: Convert to fraction form
    165,861.67/228,708.21 = 112,053.25/x
  3. Step 3: Cross multiply
    165,861.67x = 228,708.21 × 112,053.25
  4. Step 4: Simplify right side
    165,861.67x = 25,627,498,232.18
  5. Step 5: Solve for x
    x = 25,627,498,232.18/165,861.67
  6. Step 6: Final answer
    x = 154,511.28

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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.