Home / 198,656.06-274,142.12-108,014.30

Finding the Fourth Proportional to 198,656.06, 274,142.12 and 108,014.30

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Solution

The fourth proportional to 198,656.06, 274,142.12 and 108,014.30 is: 149,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,656.06 : 274,142.12 = 108,014.30 : x
  2. Step 2: Convert to fraction form
    198,656.06/274,142.12 = 108,014.30/x
  3. Step 3: Cross multiply
    198,656.06x = 274,142.12 × 108,014.30
  4. Step 4: Simplify right side
    198,656.06x = 29,611,269,192.32
  5. Step 5: Solve for x
    x = 29,611,269,192.32/198,656.06
  6. Step 6: Final answer
    x = 149,057.97

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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.