Home / 394,340.10-591,716.70-181,172.40

Finding the Fourth Proportional to 394,340.10, 591,716.70 and 181,172.40

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Solution

The fourth proportional to 394,340.10, 591,716.70 and 181,172.40 is: 271,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,340.10 : 591,716.70 = 181,172.40 : x
  2. Step 2: Convert to fraction form
    394,340.10/591,716.70 = 181,172.40/x
  3. Step 3: Cross multiply
    394,340.10x = 591,716.70 × 181,172.40
  4. Step 4: Simplify right side
    394,340.10x = 107,202,734,659.08
  5. Step 5: Solve for x
    x = 107,202,734,659.08/394,340.10
  6. Step 6: Final answer
    x = 271,853.50

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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.