Home / 122,388.20-183,586.80-33,648.64

Finding the Fourth Proportional to 122,388.20, 183,586.80 and 33,648.64

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Solution

The fourth proportional to 122,388.20, 183,586.80 and 33,648.64 is: 50,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,388.20 : 183,586.80 = 33,648.64 : x
  2. Step 2: Convert to fraction form
    122,388.20/183,586.80 = 33,648.64/x
  3. Step 3: Cross multiply
    122,388.20x = 183,586.80 × 33,648.64
  4. Step 4: Simplify right side
    122,388.20x = 6,177,446,141.95
  5. Step 5: Solve for x
    x = 6,177,446,141.95/122,388.20
  6. Step 6: Final answer
    x = 50,474.20

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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.