Home / 199,279.40-274,995.38-108,626.43

Finding the Fourth Proportional to 199,279.40, 274,995.38 and 108,626.43

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Solution

The fourth proportional to 199,279.40, 274,995.38 and 108,626.43 is: 149,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279.40 : 274,995.38 = 108,626.43 : x
  2. Step 2: Convert to fraction form
    199,279.40/274,995.38 = 108,626.43/x
  3. Step 3: Cross multiply
    199,279.40x = 274,995.38 × 108,626.43
  4. Step 4: Simplify right side
    199,279.40x = 29,871,765,636.23
  5. Step 5: Solve for x
    x = 29,871,765,636.23/199,279.40
  6. Step 6: Final answer
    x = 149,898.91

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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.