Home / 180,781.14-271,173.33-47,680.32

Finding the Fourth Proportional to 180,781.14, 271,173.33 and 47,680.32

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Solution

The fourth proportional to 180,781.14, 271,173.33 and 47,680.32 is: 71,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,781.14 : 271,173.33 = 47,680.32 : x
  2. Step 2: Convert to fraction form
    180,781.14/271,173.33 = 47,680.32/x
  3. Step 3: Cross multiply
    180,781.14x = 271,173.33 × 47,680.32
  4. Step 4: Simplify right side
    180,781.14x = 12,929,631,149.87
  5. Step 5: Solve for x
    x = 12,929,631,149.87/180,781.14
  6. Step 6: Final answer
    x = 71,520.91

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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.