Home / 175,418.20-263,321.70-108,933.40

Finding the Fourth Proportional to 175,418.20, 263,321.70 and 108,933.40

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Solution

The fourth proportional to 175,418.20, 263,321.70 and 108,933.40 is: 163,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,418.20 : 263,321.70 = 108,933.40 : x
  2. Step 2: Convert to fraction form
    175,418.20/263,321.70 = 108,933.40/x
  3. Step 3: Cross multiply
    175,418.20x = 263,321.70 × 108,933.40
  4. Step 4: Simplify right side
    175,418.20x = 28,684,528,074.78
  5. Step 5: Solve for x
    x = 28,684,528,074.78/175,418.20
  6. Step 6: Final answer
    x = 163,520.82

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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.