Home / 271,823.46-407,703.48-72,159.36

Finding the Fourth Proportional to 271,823.46, 407,703.48 and 72,159.36

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Solution

The fourth proportional to 271,823.46, 407,703.48 and 72,159.36 is: 108,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,823.46 : 407,703.48 = 72,159.36 : x
  2. Step 2: Convert to fraction form
    271,823.46/407,703.48 = 72,159.36/x
  3. Step 3: Cross multiply
    271,823.46x = 407,703.48 × 72,159.36
  4. Step 4: Simplify right side
    271,823.46x = 29,419,622,186.57
  5. Step 5: Solve for x
    x = 29,419,622,186.57/271,823.46
  6. Step 6: Final answer
    x = 108,230.62

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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.