Home / 110,824.64-165,529.78-100,278.44

Finding the Fourth Proportional to 110,824.64, 165,529.78 and 100,278.44

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Solution

The fourth proportional to 110,824.64, 165,529.78 and 100,278.44 is: 149,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824.64 : 165,529.78 = 100,278.44 : x
  2. Step 2: Convert to fraction form
    110,824.64/165,529.78 = 100,278.44/x
  3. Step 3: Cross multiply
    110,824.64x = 165,529.78 × 100,278.44
  4. Step 4: Simplify right side
    110,824.64x = 16,599,068,111.94
  5. Step 5: Solve for x
    x = 16,599,068,111.94/110,824.64
  6. Step 6: Final answer
    x = 149,777.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.