Home / 149,999.04-206,990.19-82,003.39

Finding the Fourth Proportional to 149,999.04, 206,990.19 and 82,003.39

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Solution

The fourth proportional to 149,999.04, 206,990.19 and 82,003.39 is: 113,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999.04 : 206,990.19 = 82,003.39 : x
  2. Step 2: Convert to fraction form
    149,999.04/206,990.19 = 82,003.39/x
  3. Step 3: Cross multiply
    149,999.04x = 206,990.19 × 82,003.39
  4. Step 4: Simplify right side
    149,999.04x = 16,973,896,759.27
  5. Step 5: Solve for x
    x = 16,973,896,759.27/149,999.04
  6. Step 6: Final answer
    x = 113,160.04

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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.