Home / 198,669.42-274,165.22-108,025.29

Finding the Fourth Proportional to 198,669.42, 274,165.22 and 108,025.29

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Solution

The fourth proportional to 198,669.42, 274,165.22 and 108,025.29 is: 149,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,669.42 : 274,165.22 = 108,025.29 : x
  2. Step 2: Convert to fraction form
    198,669.42/274,165.22 = 108,025.29/x
  3. Step 3: Cross multiply
    198,669.42x = 274,165.22 × 108,025.29
  4. Step 4: Simplify right side
    198,669.42x = 29,616,777,668.48
  5. Step 5: Solve for x
    x = 29,616,777,668.48/198,669.42
  6. Step 6: Final answer
    x = 149,075.67

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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.