Home / 175,515.20-263,359.20-133,380.80

Finding the Fourth Proportional to 175,515.20, 263,359.20 and 133,380.80

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Solution

The fourth proportional to 175,515.20, 263,359.20 and 133,380.80 is: 200,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,515.20 : 263,359.20 = 133,380.80 : x
  2. Step 2: Convert to fraction form
    175,515.20/263,359.20 = 133,380.80/x
  3. Step 3: Cross multiply
    175,515.20x = 263,359.20 × 133,380.80
  4. Step 4: Simplify right side
    175,515.20x = 35,127,060,783.36
  5. Step 5: Solve for x
    x = 35,127,060,783.36/175,515.20
  6. Step 6: Final answer
    x = 200,136.86

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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.