Home / 394,203.24-591,240.06-113,645.16

Finding the Fourth Proportional to 394,203.24, 591,240.06 and 113,645.16

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Solution

The fourth proportional to 394,203.24, 591,240.06 and 113,645.16 is: 170,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,203.24 : 591,240.06 = 113,645.16 : x
  2. Step 2: Convert to fraction form
    394,203.24/591,240.06 = 113,645.16/x
  3. Step 3: Cross multiply
    394,203.24x = 591,240.06 × 113,645.16
  4. Step 4: Simplify right side
    394,203.24x = 67,191,571,217.11
  5. Step 5: Solve for x
    x = 67,191,571,217.11/394,203.24
  6. Step 6: Final answer
    x = 170,449.06

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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.