Home / 149,773.04-206,682.84-82,703.60

Finding the Fourth Proportional to 149,773.04, 206,682.84 and 82,703.60

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Solution

The fourth proportional to 149,773.04, 206,682.84 and 82,703.60 is: 114,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,773.04 : 206,682.84 = 82,703.60 : x
  2. Step 2: Convert to fraction form
    149,773.04/206,682.84 = 82,703.60/x
  3. Step 3: Cross multiply
    149,773.04x = 206,682.84 × 82,703.60
  4. Step 4: Simplify right side
    149,773.04x = 17,093,414,926.22
  5. Step 5: Solve for x
    x = 17,093,414,926.22/149,773.04
  6. Step 6: Final answer
    x = 114,128.78

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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.