Home / 237,811.20-356,198.40-211,545.60

Finding the Fourth Proportional to 237,811.20, 356,198.40 and 211,545.60

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Solution

The fourth proportional to 237,811.20, 356,198.40 and 211,545.60 is: 316,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,811.20 : 356,198.40 = 211,545.60 : x
  2. Step 2: Convert to fraction form
    237,811.20/356,198.40 = 211,545.60/x
  3. Step 3: Cross multiply
    237,811.20x = 356,198.40 × 211,545.60
  4. Step 4: Simplify right side
    237,811.20x = 75,352,204,247.04
  5. Step 5: Solve for x
    x = 75,352,204,247.04/237,811.20
  6. Step 6: Final answer
    x = 316,857.26

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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.