Home / 106,813.74-160,231.44-40,309.76

Finding the Fourth Proportional to 106,813.74, 160,231.44 and 40,309.76

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Solution

The fourth proportional to 106,813.74, 160,231.44 and 40,309.76 is: 60,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,813.74 : 160,231.44 = 40,309.76 : x
  2. Step 2: Convert to fraction form
    106,813.74/160,231.44 = 40,309.76/x
  3. Step 3: Cross multiply
    106,813.74x = 160,231.44 × 40,309.76
  4. Step 4: Simplify right side
    106,813.74x = 6,458,890,890.85
  5. Step 5: Solve for x
    x = 6,458,890,890.85/106,813.74
  6. Step 6: Final answer
    x = 60,468.73

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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.