Home / 195,943.50-270,384.74-108,730.80

Finding the Fourth Proportional to 195,943.50, 270,384.74 and 108,730.80

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Solution

The fourth proportional to 195,943.50, 270,384.74 and 108,730.80 is: 150,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,943.50 : 270,384.74 = 108,730.80 : x
  2. Step 2: Convert to fraction form
    195,943.50/270,384.74 = 108,730.80/x
  3. Step 3: Cross multiply
    195,943.50x = 270,384.74 × 108,730.80
  4. Step 4: Simplify right side
    195,943.50x = 29,399,149,087.99
  5. Step 5: Solve for x
    x = 29,399,149,087.99/195,943.50
  6. Step 6: Final answer
    x = 150,038.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.