Home / 106,217.37-159,177.38-79,891.29

Finding the Fourth Proportional to 106,217.37, 159,177.38 and 79,891.29

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Solution

The fourth proportional to 106,217.37, 159,177.38 and 79,891.29 is: 119,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.37 : 159,177.38 = 79,891.29 : x
  2. Step 2: Convert to fraction form
    106,217.37/159,177.38 = 79,891.29/x
  3. Step 3: Cross multiply
    106,217.37x = 159,177.38 × 79,891.29
  4. Step 4: Simplify right side
    106,217.37x = 12,716,885,827.56
  5. Step 5: Solve for x
    x = 12,716,885,827.56/106,217.37
  6. Step 6: Final answer
    x = 119,725.11

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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.