Home / 198,626.25-274,129.44-112,599.23

Finding the Fourth Proportional to 198,626.25, 274,129.44 and 112,599.23

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Solution

The fourth proportional to 198,626.25, 274,129.44 and 112,599.23 is: 155,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,626.25 : 274,129.44 = 112,599.23 : x
  2. Step 2: Convert to fraction form
    198,626.25/274,129.44 = 112,599.23/x
  3. Step 3: Cross multiply
    198,626.25x = 274,129.44 × 112,599.23
  4. Step 4: Simplify right side
    198,626.25x = 30,866,763,864.33
  5. Step 5: Solve for x
    x = 30,866,763,864.33/198,626.25
  6. Step 6: Final answer
    x = 155,401.23

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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.