Home / 394,401.10-591,808.20-181,233.40

Finding the Fourth Proportional to 394,401.10, 591,808.20 and 181,233.40

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Solution

The fourth proportional to 394,401.10, 591,808.20 and 181,233.40 is: 271,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,401.10 : 591,808.20 = 181,233.40 : x
  2. Step 2: Convert to fraction form
    394,401.10/591,808.20 = 181,233.40/x
  3. Step 3: Cross multiply
    394,401.10x = 591,808.20 × 181,233.40
  4. Step 4: Simplify right side
    394,401.10x = 107,255,412,233.88
  5. Step 5: Solve for x
    x = 107,255,412,233.88/394,401.10
  6. Step 6: Final answer
    x = 271,945.01

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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.