Home / 454,056.20-680,792.70-187,922.60

Finding the Fourth Proportional to 454,056.20, 680,792.70 and 187,922.60

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Solution

The fourth proportional to 454,056.20, 680,792.70 and 187,922.60 is: 281,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,056.20 : 680,792.70 = 187,922.60 : x
  2. Step 2: Convert to fraction form
    454,056.20/680,792.70 = 187,922.60/x
  3. Step 3: Cross multiply
    454,056.20x = 680,792.70 × 187,922.60
  4. Step 4: Simplify right side
    454,056.20x = 127,936,334,245.02
  5. Step 5: Solve for x
    x = 127,936,334,245.02/454,056.20
  6. Step 6: Final answer
    x = 281,763.21

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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.