Home / 122,388.42-183,584.24-47,512.82

Finding the Fourth Proportional to 122,388.42, 183,584.24 and 47,512.82

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Solution

The fourth proportional to 122,388.42, 183,584.24 and 47,512.82 is: 71,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,388.42 : 183,584.24 = 47,512.82 : x
  2. Step 2: Convert to fraction form
    122,388.42/183,584.24 = 47,512.82/x
  3. Step 3: Cross multiply
    122,388.42x = 183,584.24 × 47,512.82
  4. Step 4: Simplify right side
    122,388.42x = 8,722,604,949.96
  5. Step 5: Solve for x
    x = 8,722,604,949.96/122,388.42
  6. Step 6: Final answer
    x = 71,269.86

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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.