Home / 165,831-228,686.94-111,505.56

Finding the Fourth Proportional to 165,831, 228,686.94 and 111,505.56

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Solution

The fourth proportional to 165,831, 228,686.94 and 111,505.56 is: 153,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831 : 228,686.94 = 111,505.56 : x
  2. Step 2: Convert to fraction form
    165,831/228,686.94 = 111,505.56/x
  3. Step 3: Cross multiply
    165,831x = 228,686.94 × 111,505.56
  4. Step 4: Simplify right side
    165,831x = 25,499,865,309.39
  5. Step 5: Solve for x
    x = 25,499,865,309.39/165,831
  6. Step 6: Final answer
    x = 153,770.20

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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.