Home / 327,917.28-491,945.04-106,284

Finding the Fourth Proportional to 327,917.28, 491,945.04 and 106,284

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Solution

The fourth proportional to 327,917.28, 491,945.04 and 106,284 is: 159,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,917.28 : 491,945.04 = 106,284 : x
  2. Step 2: Convert to fraction form
    327,917.28/491,945.04 = 106,284/x
  3. Step 3: Cross multiply
    327,917.28x = 491,945.04 × 106,284
  4. Step 4: Simplify right side
    327,917.28x = 52,285,886,631.36
  5. Step 5: Solve for x
    x = 52,285,886,631.36/327,917.28
  6. Step 6: Final answer
    x = 159,448.40

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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.