Home / 207,946.50-311,887.21-67,704.18

Finding the Fourth Proportional to 207,946.50, 311,887.21 and 67,704.18

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Solution

The fourth proportional to 207,946.50, 311,887.21 and 67,704.18 is: 101,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,946.50 : 311,887.21 = 67,704.18 : x
  2. Step 2: Convert to fraction form
    207,946.50/311,887.21 = 67,704.18/x
  3. Step 3: Cross multiply
    207,946.50x = 311,887.21 × 67,704.18
  4. Step 4: Simplify right side
    207,946.50x = 21,116,067,805.54
  5. Step 5: Solve for x
    x = 21,116,067,805.54/207,946.50
  6. Step 6: Final answer
    x = 101,545.68

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1.5x scale

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.