Home / 106,227.28-159,439.38-53,673.76

Finding the Fourth Proportional to 106,227.28, 159,439.38 and 53,673.76

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Solution

The fourth proportional to 106,227.28, 159,439.38 and 53,673.76 is: 80,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,227.28 : 159,439.38 = 53,673.76 : x
  2. Step 2: Convert to fraction form
    106,227.28/159,439.38 = 53,673.76/x
  3. Step 3: Cross multiply
    106,227.28x = 159,439.38 × 53,673.76
  4. Step 4: Simplify right side
    106,227.28x = 8,557,711,016.67
  5. Step 5: Solve for x
    x = 8,557,711,016.67/106,227.28
  6. Step 6: Final answer
    x = 80,560.39

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1.5x scale

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.