Home / 231,868.24-348,155.52-220,450.69

Finding the Fourth Proportional to 231,868.24, 348,155.52 and 220,450.69

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Solution

The fourth proportional to 231,868.24, 348,155.52 and 220,450.69 is: 331,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,868.24 : 348,155.52 = 220,450.69 : x
  2. Step 2: Convert to fraction form
    231,868.24/348,155.52 = 220,450.69/x
  3. Step 3: Cross multiply
    231,868.24x = 348,155.52 × 220,450.69
  4. Step 4: Simplify right side
    231,868.24x = 76,751,124,611.31
  5. Step 5: Solve for x
    x = 76,751,124,611.31/231,868.24
  6. Step 6: Final answer
    x = 331,011.80

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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.