Home / 180,512.15-270,693.70-68,173.25

Finding the Fourth Proportional to 180,512.15, 270,693.70 and 68,173.25

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Solution

The fourth proportional to 180,512.15, 270,693.70 and 68,173.25 is: 102,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,512.15 : 270,693.70 = 68,173.25 : x
  2. Step 2: Convert to fraction form
    180,512.15/270,693.70 = 68,173.25/x
  3. Step 3: Cross multiply
    180,512.15x = 270,693.70 × 68,173.25
  4. Step 4: Simplify right side
    180,512.15x = 18,454,069,283.53
  5. Step 5: Solve for x
    x = 18,454,069,283.53/180,512.15
  6. Step 6: Final answer
    x = 102,231.73

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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.