Home / 165,638.87-228,564.46-93,049.91

Finding the Fourth Proportional to 165,638.87, 228,564.46 and 93,049.91

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Solution

The fourth proportional to 165,638.87, 228,564.46 and 93,049.91 is: 128,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638.87 : 228,564.46 = 93,049.91 : x
  2. Step 2: Convert to fraction form
    165,638.87/228,564.46 = 93,049.91/x
  3. Step 3: Cross multiply
    165,638.87x = 228,564.46 × 93,049.91
  4. Step 4: Simplify right side
    165,638.87x = 21,267,902,432.20
  5. Step 5: Solve for x
    x = 21,267,902,432.20/165,638.87
  6. Step 6: Final answer
    x = 128,399.22

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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.