Home / 393,917.56-591,025.22-154,202.76

Finding the Fourth Proportional to 393,917.56, 591,025.22 and 154,202.76

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Solution

The fourth proportional to 393,917.56, 591,025.22 and 154,202.76 is: 231,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,917.56 : 591,025.22 = 154,202.76 : x
  2. Step 2: Convert to fraction form
    393,917.56/591,025.22 = 154,202.76/x
  3. Step 3: Cross multiply
    393,917.56x = 591,025.22 × 154,202.76
  4. Step 4: Simplify right side
    393,917.56x = 91,137,720,153.61
  5. Step 5: Solve for x
    x = 91,137,720,153.61/393,917.56
  6. Step 6: Final answer
    x = 231,362.42

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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.