Home / 199,222.78-274,919.43-108,576.80

Finding the Fourth Proportional to 199,222.78, 274,919.43 and 108,576.80

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Solution

The fourth proportional to 199,222.78, 274,919.43 and 108,576.80 is: 149,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,222.78 : 274,919.43 = 108,576.80 : x
  2. Step 2: Convert to fraction form
    199,222.78/274,919.43 = 108,576.80/x
  3. Step 3: Cross multiply
    199,222.78x = 274,919.43 × 108,576.80
  4. Step 4: Simplify right side
    199,222.78x = 29,849,871,967.22
  5. Step 5: Solve for x
    x = 29,849,871,967.22/199,222.78
  6. Step 6: Final answer
    x = 149,831.62

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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.