Home / 271,622.60-407,433.90-71,973.80

Finding the Fourth Proportional to 271,622.60, 407,433.90 and 71,973.80

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Solution

The fourth proportional to 271,622.60, 407,433.90 and 71,973.80 is: 107,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,622.60 : 407,433.90 = 71,973.80 : x
  2. Step 2: Convert to fraction form
    271,622.60/407,433.90 = 71,973.80/x
  3. Step 3: Cross multiply
    271,622.60x = 407,433.90 × 71,973.80
  4. Step 4: Simplify right side
    271,622.60x = 29,324,566,031.82
  5. Step 5: Solve for x
    x = 29,324,566,031.82/271,622.60
  6. Step 6: Final answer
    x = 107,960.70

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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.