Home / 183,905.20-253,761.96-106,378.48

Finding the Fourth Proportional to 183,905.20, 253,761.96 and 106,378.48

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Solution

The fourth proportional to 183,905.20, 253,761.96 and 106,378.48 is: 146,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,905.20 : 253,761.96 = 106,378.48 : x
  2. Step 2: Convert to fraction form
    183,905.20/253,761.96 = 106,378.48/x
  3. Step 3: Cross multiply
    183,905.20x = 253,761.96 × 106,378.48
  4. Step 4: Simplify right side
    183,905.20x = 26,994,811,586.62
  5. Step 5: Solve for x
    x = 26,994,811,586.62/183,905.20
  6. Step 6: Final answer
    x = 146,786.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.