Home / 207,613.29-311,223.09-67,273.50

Finding the Fourth Proportional to 207,613.29, 311,223.09 and 67,273.50

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Solution

The fourth proportional to 207,613.29, 311,223.09 and 67,273.50 is: 100,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,613.29 : 311,223.09 = 67,273.50 : x
  2. Step 2: Convert to fraction form
    207,613.29/311,223.09 = 67,273.50/x
  3. Step 3: Cross multiply
    207,613.29x = 311,223.09 × 67,273.50
  4. Step 4: Simplify right side
    207,613.29x = 20,937,066,545.12
  5. Step 5: Solve for x
    x = 20,937,066,545.12/207,613.29
  6. Step 6: Final answer
    x = 100,846.47

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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.