Home / 199,116.80-274,781.18-109,692.80

Finding the Fourth Proportional to 199,116.80, 274,781.18 and 109,692.80

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Solution

The fourth proportional to 199,116.80, 274,781.18 and 109,692.80 is: 151,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,116.80 : 274,781.18 = 109,692.80 : x
  2. Step 2: Convert to fraction form
    199,116.80/274,781.18 = 109,692.80/x
  3. Step 3: Cross multiply
    199,116.80x = 274,781.18 × 109,692.80
  4. Step 4: Simplify right side
    199,116.80x = 30,141,517,021.50
  5. Step 5: Solve for x
    x = 30,141,517,021.50/199,116.80
  6. Step 6: Final answer
    x = 151,376.06

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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.