Home / 165,339.20-228,157.88-92,738.10

Finding the Fourth Proportional to 165,339.20, 228,157.88 and 92,738.10

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Solution

The fourth proportional to 165,339.20, 228,157.88 and 92,738.10 is: 127,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.20 : 228,157.88 = 92,738.10 : x
  2. Step 2: Convert to fraction form
    165,339.20/228,157.88 = 92,738.10/x
  3. Step 3: Cross multiply
    165,339.20x = 228,157.88 × 92,738.10
  4. Step 4: Simplify right side
    165,339.20x = 21,158,928,291.23
  5. Step 5: Solve for x
    x = 21,158,928,291.23/165,339.20
  6. Step 6: Final answer
    x = 127,972.85

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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.