Home / 518,212.24-777,161.40-181,190.11

Finding the Fourth Proportional to 518,212.24, 777,161.40 and 181,190.11

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Solution

The fourth proportional to 518,212.24, 777,161.40 and 181,190.11 is: 271,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,212.24 : 777,161.40 = 181,190.11 : x
  2. Step 2: Convert to fraction form
    518,212.24/777,161.40 = 181,190.11/x
  3. Step 3: Cross multiply
    518,212.24x = 777,161.40 × 181,190.11
  4. Step 4: Simplify right side
    518,212.24x = 140,813,959,553.75
  5. Step 5: Solve for x
    x = 140,813,959,553.75/518,212.24
  6. Step 6: Final answer
    x = 271,730.28

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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.