Home / 198,812.04-274,363.32-108,169.08

Finding the Fourth Proportional to 198,812.04, 274,363.32 and 108,169.08

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Solution

The fourth proportional to 198,812.04, 274,363.32 and 108,169.08 is: 149,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,812.04 : 274,363.32 = 108,169.08 : x
  2. Step 2: Convert to fraction form
    198,812.04/274,363.32 = 108,169.08/x
  3. Step 3: Cross multiply
    198,812.04x = 274,363.32 × 108,169.08
  4. Step 4: Simplify right side
    198,812.04x = 29,677,627,910.15
  5. Step 5: Solve for x
    x = 29,677,627,910.15/198,812.04
  6. Step 6: Final answer
    x = 149,274.80

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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.