Home / 218,084.55-327,126.41-68,336.31

Finding the Fourth Proportional to 218,084.55, 327,126.41 and 68,336.31

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Solution

The fourth proportional to 218,084.55, 327,126.41 and 68,336.31 is: 102,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,084.55 : 327,126.41 = 68,336.31 : x
  2. Step 2: Convert to fraction form
    218,084.55/327,126.41 = 68,336.31/x
  3. Step 3: Cross multiply
    218,084.55x = 327,126.41 × 68,336.31
  4. Step 4: Simplify right side
    218,084.55x = 22,354,611,762.95
  5. Step 5: Solve for x
    x = 22,354,611,762.95/218,084.55
  6. Step 6: Final answer
    x = 102,504.33

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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.