Home / 198,668.23-274,162.49-108,024.12

Finding the Fourth Proportional to 198,668.23, 274,162.49 and 108,024.12

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Solution

The fourth proportional to 198,668.23, 274,162.49 and 108,024.12 is: 149,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,668.23 : 274,162.49 = 108,024.12 : x
  2. Step 2: Convert to fraction form
    198,668.23/274,162.49 = 108,024.12/x
  3. Step 3: Cross multiply
    198,668.23x = 274,162.49 × 108,024.12
  4. Step 4: Simplify right side
    198,668.23x = 29,616,161,719.26
  5. Step 5: Solve for x
    x = 29,616,161,719.26/198,668.23
  6. Step 6: Final answer
    x = 149,073.47

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1.5x scale

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.