Home / 198,636.26-274,118.02-109,212.26

Finding the Fourth Proportional to 198,636.26, 274,118.02 and 109,212.26

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Solution

The fourth proportional to 198,636.26, 274,118.02 and 109,212.26 is: 150,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,636.26 : 274,118.02 = 109,212.26 : x
  2. Step 2: Convert to fraction form
    198,636.26/274,118.02 = 109,212.26/x
  3. Step 3: Cross multiply
    198,636.26x = 274,118.02 × 109,212.26
  4. Step 4: Simplify right side
    198,636.26x = 29,937,048,470.93
  5. Step 5: Solve for x
    x = 29,937,048,470.93/198,636.26
  6. Step 6: Final answer
    x = 150,712.91

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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.