Home / 271,433.22-407,185.67-100,631.35

Finding the Fourth Proportional to 271,433.22, 407,185.67 and 100,631.35

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Solution

The fourth proportional to 271,433.22, 407,185.67 and 100,631.35 is: 150,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,433.22 : 407,185.67 = 100,631.35 : x
  2. Step 2: Convert to fraction form
    271,433.22/407,185.67 = 100,631.35/x
  3. Step 3: Cross multiply
    271,433.22x = 407,185.67 × 100,631.35
  4. Step 4: Simplify right side
    271,433.22x = 40,975,643,672.75
  5. Step 5: Solve for x
    x = 40,975,643,672.75/271,433.22
  6. Step 6: Final answer
    x = 150,960.31

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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.