Home / 165,541.20-228,431-92,927.44

Finding the Fourth Proportional to 165,541.20, 228,431 and 92,927.44

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Solution

The fourth proportional to 165,541.20, 228,431 and 92,927.44 is: 128,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,541.20 : 228,431 = 92,927.44 : x
  2. Step 2: Convert to fraction form
    165,541.20/228,431 = 92,927.44/x
  3. Step 3: Cross multiply
    165,541.20x = 228,431 × 92,927.44
  4. Step 4: Simplify right side
    165,541.20x = 21,227,508,046.64
  5. Step 5: Solve for x
    x = 21,227,508,046.64/165,541.20
  6. Step 6: Final answer
    x = 128,230.97

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1.5x scale

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.