Home / 165,711.88-228,868.68-111,903.49

Finding the Fourth Proportional to 165,711.88, 228,868.68 and 111,903.49

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Solution

The fourth proportional to 165,711.88, 228,868.68 and 111,903.49 is: 154,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,711.88 : 228,868.68 = 111,903.49 : x
  2. Step 2: Convert to fraction form
    165,711.88/228,868.68 = 111,903.49/x
  3. Step 3: Cross multiply
    165,711.88x = 228,868.68 × 111,903.49
  4. Step 4: Simplify right side
    165,711.88x = 25,611,204,043.69
  5. Step 5: Solve for x
    x = 25,611,204,043.69/165,711.88
  6. Step 6: Final answer
    x = 154,552.61

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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.