Home / 244,931.20-366,943.20-139,436.80

Finding the Fourth Proportional to 244,931.20, 366,943.20 and 139,436.80

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Solution

The fourth proportional to 244,931.20, 366,943.20 and 139,436.80 is: 208,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,931.20 : 366,943.20 = 139,436.80 : x
  2. Step 2: Convert to fraction form
    244,931.20/366,943.20 = 139,436.80/x
  3. Step 3: Cross multiply
    244,931.20x = 366,943.20 × 139,436.80
  4. Step 4: Simplify right side
    244,931.20x = 51,165,385,589.76
  5. Step 5: Solve for x
    x = 51,165,385,589.76/244,931.20
  6. Step 6: Final answer
    x = 208,896.97

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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.