Home / 175,390.80-263,086.20-156,145.20

Finding the Fourth Proportional to 175,390.80, 263,086.20 and 156,145.20

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Solution

The fourth proportional to 175,390.80, 263,086.20 and 156,145.20 is: 234,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,390.80 : 263,086.20 = 156,145.20 : x
  2. Step 2: Convert to fraction form
    175,390.80/263,086.20 = 156,145.20/x
  3. Step 3: Cross multiply
    175,390.80x = 263,086.20 × 156,145.20
  4. Step 4: Simplify right side
    175,390.80x = 41,079,647,316.24
  5. Step 5: Solve for x
    x = 41,079,647,316.24/175,390.80
  6. Step 6: Final answer
    x = 234,217.80

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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.