Home / 165,255.44-228,051.24-89,803.76

Finding the Fourth Proportional to 165,255.44, 228,051.24 and 89,803.76

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Solution

The fourth proportional to 165,255.44, 228,051.24 and 89,803.76 is: 123,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,255.44 : 228,051.24 = 89,803.76 : x
  2. Step 2: Convert to fraction form
    165,255.44/228,051.24 = 89,803.76/x
  3. Step 3: Cross multiply
    165,255.44x = 228,051.24 × 89,803.76
  4. Step 4: Simplify right side
    165,255.44x = 20,479,858,824.66
  5. Step 5: Solve for x
    x = 20,479,858,824.66/165,255.44
  6. Step 6: Final answer
    x = 123,928.50

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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.