Home / 165,327.75-228,153.92-89,877.87

Finding the Fourth Proportional to 165,327.75, 228,153.92 and 89,877.87

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Solution

The fourth proportional to 165,327.75, 228,153.92 and 89,877.87 is: 124,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,327.75 : 228,153.92 = 89,877.87 : x
  2. Step 2: Convert to fraction form
    165,327.75/228,153.92 = 89,877.87/x
  3. Step 3: Cross multiply
    165,327.75x = 228,153.92 × 89,877.87
  4. Step 4: Simplify right side
    165,327.75x = 20,505,987,912.36
  5. Step 5: Solve for x
    x = 20,505,987,912.36/165,327.75
  6. Step 6: Final answer
    x = 124,032.34

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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.