Home / 256,175.20-353,520.40-148,771.62

Finding the Fourth Proportional to 256,175.20, 353,520.40 and 148,771.62

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Solution

The fourth proportional to 256,175.20, 353,520.40 and 148,771.62 is: 205,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175.20 : 353,520.40 = 148,771.62 : x
  2. Step 2: Convert to fraction form
    256,175.20/353,520.40 = 148,771.62/x
  3. Step 3: Cross multiply
    256,175.20x = 353,520.40 × 148,771.62
  4. Step 4: Simplify right side
    256,175.20x = 52,593,802,611.05
  5. Step 5: Solve for x
    x = 52,593,802,611.05/256,175.20
  6. Step 6: Final answer
    x = 205,304.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.