Home / 165,638.37-228,563.78-93,049.41

Finding the Fourth Proportional to 165,638.37, 228,563.78 and 93,049.41

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Solution

The fourth proportional to 165,638.37, 228,563.78 and 93,049.41 is: 128,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638.37 : 228,563.78 = 93,049.41 : x
  2. Step 2: Convert to fraction form
    165,638.37/228,563.78 = 93,049.41/x
  3. Step 3: Cross multiply
    165,638.37x = 228,563.78 × 93,049.41
  4. Step 4: Simplify right side
    165,638.37x = 21,267,724,411.12
  5. Step 5: Solve for x
    x = 21,267,724,411.12/165,638.37
  6. Step 6: Final answer
    x = 128,398.54

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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.