Home / 109,944.78-164,917.20-26,838.78

Finding the Fourth Proportional to 109,944.78, 164,917.20 and 26,838.78

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Solution

The fourth proportional to 109,944.78, 164,917.20 and 26,838.78 is: 40,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944.78 : 164,917.20 = 26,838.78 : x
  2. Step 2: Convert to fraction form
    109,944.78/164,917.20 = 26,838.78/x
  3. Step 3: Cross multiply
    109,944.78x = 164,917.20 × 26,838.78
  4. Step 4: Simplify right side
    109,944.78x = 4,426,176,449.02
  5. Step 5: Solve for x
    x = 4,426,176,449.02/109,944.78
  6. Step 6: Final answer
    x = 40,258.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.