Home / 218,181.50-327,309.15-111,611.72

Finding the Fourth Proportional to 218,181.50, 327,309.15 and 111,611.72

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Solution

The fourth proportional to 218,181.50, 327,309.15 and 111,611.72 is: 167,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,181.50 : 327,309.15 = 111,611.72 : x
  2. Step 2: Convert to fraction form
    218,181.50/327,309.15 = 111,611.72/x
  3. Step 3: Cross multiply
    218,181.50x = 327,309.15 × 111,611.72
  4. Step 4: Simplify right side
    218,181.50x = 36,531,538,440.05
  5. Step 5: Solve for x
    x = 36,531,538,440.05/218,181.50
  6. Step 6: Final answer
    x = 167,436.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.