Home / 106,821.76-160,230.48-31,942.24

Finding the Fourth Proportional to 106,821.76, 160,230.48 and 31,942.24

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Solution

The fourth proportional to 106,821.76, 160,230.48 and 31,942.24 is: 47,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,821.76 : 160,230.48 = 31,942.24 : x
  2. Step 2: Convert to fraction form
    106,821.76/160,230.48 = 31,942.24/x
  3. Step 3: Cross multiply
    106,821.76x = 160,230.48 × 31,942.24
  4. Step 4: Simplify right side
    106,821.76x = 5,118,120,447.48
  5. Step 5: Solve for x
    x = 5,118,120,447.48/106,821.76
  6. Step 6: Final answer
    x = 47,912.71

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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.