Home / 367,550.20-551,325.30-131,159.80

Finding the Fourth Proportional to 367,550.20, 551,325.30 and 131,159.80

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Solution

The fourth proportional to 367,550.20, 551,325.30 and 131,159.80 is: 196,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,550.20 : 551,325.30 = 131,159.80 : x
  2. Step 2: Convert to fraction form
    367,550.20/551,325.30 = 131,159.80/x
  3. Step 3: Cross multiply
    367,550.20x = 551,325.30 × 131,159.80
  4. Step 4: Simplify right side
    367,550.20x = 72,311,716,082.94
  5. Step 5: Solve for x
    x = 72,311,716,082.94/367,550.20
  6. Step 6: Final answer
    x = 196,739.70

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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.