Home / 149,327.18-206,071.53-82,259.18

Finding the Fourth Proportional to 149,327.18, 206,071.53 and 82,259.18

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Solution

The fourth proportional to 149,327.18, 206,071.53 and 82,259.18 is: 113,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,327.18 : 206,071.53 = 82,259.18 : x
  2. Step 2: Convert to fraction form
    149,327.18/206,071.53 = 82,259.18/x
  3. Step 3: Cross multiply
    149,327.18x = 206,071.53 × 82,259.18
  4. Step 4: Simplify right side
    149,327.18x = 16,951,275,079.15
  5. Step 5: Solve for x
    x = 16,951,275,079.15/149,327.18
  6. Step 6: Final answer
    x = 113,517.68

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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.