Home / 271,729.15-407,664.20-103,252.39

Finding the Fourth Proportional to 271,729.15, 407,664.20 and 103,252.39

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Solution

The fourth proportional to 271,729.15, 407,664.20 and 103,252.39 is: 154,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,729.15 : 407,664.20 = 103,252.39 : x
  2. Step 2: Convert to fraction form
    271,729.15/407,664.20 = 103,252.39/x
  3. Step 3: Cross multiply
    271,729.15x = 407,664.20 × 103,252.39
  4. Step 4: Simplify right side
    271,729.15x = 42,092,302,967.44
  5. Step 5: Solve for x
    x = 42,092,302,967.44/271,729.15
  6. Step 6: Final answer
    x = 154,905.36

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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.