Home / 165,227.28-228,015.72-89,777.04

Finding the Fourth Proportional to 165,227.28, 228,015.72 and 89,777.04

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Solution

The fourth proportional to 165,227.28, 228,015.72 and 89,777.04 is: 123,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,227.28 : 228,015.72 = 89,777.04 : x
  2. Step 2: Convert to fraction form
    165,227.28/228,015.72 = 89,777.04/x
  3. Step 3: Cross multiply
    165,227.28x = 228,015.72 × 89,777.04
  4. Step 4: Simplify right side
    165,227.28x = 20,470,576,415.07
  5. Step 5: Solve for x
    x = 20,470,576,415.07/165,227.28
  6. Step 6: Final answer
    x = 123,893.44

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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.