Home / 518,214.23-777,164.42-181,192.05

Finding the Fourth Proportional to 518,214.23, 777,164.42 and 181,192.05

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Solution

The fourth proportional to 518,214.23, 777,164.42 and 181,192.05 is: 271,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,214.23 : 777,164.42 = 181,192.05 : x
  2. Step 2: Convert to fraction form
    518,214.23/777,164.42 = 181,192.05/x
  3. Step 3: Cross multiply
    518,214.23x = 777,164.42 × 181,192.05
  4. Step 4: Simplify right side
    518,214.23x = 140,816,013,540.90
  5. Step 5: Solve for x
    x = 140,816,013,540.90/518,214.23
  6. Step 6: Final answer
    x = 271,733.21

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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.