Home / 271,634.20-407,433.08-71,950.30

Finding the Fourth Proportional to 271,634.20, 407,433.08 and 71,950.30

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Solution

The fourth proportional to 271,634.20, 407,433.08 and 71,950.30 is: 107,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,634.20 : 407,433.08 = 71,950.30 : x
  2. Step 2: Convert to fraction form
    271,634.20/407,433.08 = 71,950.30/x
  3. Step 3: Cross multiply
    271,634.20x = 407,433.08 × 71,950.30
  4. Step 4: Simplify right side
    271,634.20x = 29,314,931,976.17
  5. Step 5: Solve for x
    x = 29,314,931,976.17/271,634.20
  6. Step 6: Final answer
    x = 107,920.62

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1.5x scale

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.