Home / 271,832.12-407,894.82-159,731.36

Finding the Fourth Proportional to 271,832.12, 407,894.82 and 159,731.36

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Solution

The fourth proportional to 271,832.12, 407,894.82 and 159,731.36 is: 239,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,832.12 : 407,894.82 = 159,731.36 : x
  2. Step 2: Convert to fraction form
    271,832.12/407,894.82 = 159,731.36/x
  3. Step 3: Cross multiply
    271,832.12x = 407,894.82 × 159,731.36
  4. Step 4: Simplify right side
    271,832.12x = 65,153,594,335.56
  5. Step 5: Solve for x
    x = 65,153,594,335.56/271,832.12
  6. Step 6: Final answer
    x = 239,683.21

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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.