Home / 271,731.72-407,577.96-84,738.36

Finding the Fourth Proportional to 271,731.72, 407,577.96 and 84,738.36

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Solution

The fourth proportional to 271,731.72, 407,577.96 and 84,738.36 is: 127,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,731.72 : 407,577.96 = 84,738.36 : x
  2. Step 2: Convert to fraction form
    271,731.72/407,577.96 = 84,738.36/x
  3. Step 3: Cross multiply
    271,731.72x = 407,577.96 × 84,738.36
  4. Step 4: Simplify right side
    271,731.72x = 34,537,487,902.55
  5. Step 5: Solve for x
    x = 34,537,487,902.55/271,731.72
  6. Step 6: Final answer
    x = 127,101.42

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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.