Home / 106,601.15-159,869.66-87,834.66

Finding the Fourth Proportional to 106,601.15, 159,869.66 and 87,834.66

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Solution

The fourth proportional to 106,601.15, 159,869.66 and 87,834.66 is: 131,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,601.15 : 159,869.66 = 87,834.66 : x
  2. Step 2: Convert to fraction form
    106,601.15/159,869.66 = 87,834.66/x
  3. Step 3: Cross multiply
    106,601.15x = 159,869.66 × 87,834.66
  4. Step 4: Simplify right side
    106,601.15x = 14,042,096,791.24
  5. Step 5: Solve for x
    x = 14,042,096,791.24/106,601.15
  6. Step 6: Final answer
    x = 131,725.57

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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.