Home / 180,105.12-270,297.14-67,887.44

Finding the Fourth Proportional to 180,105.12, 270,297.14 and 67,887.44

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Solution

The fourth proportional to 180,105.12, 270,297.14 and 67,887.44 is: 101,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,105.12 : 270,297.14 = 67,887.44 : x
  2. Step 2: Convert to fraction form
    180,105.12/270,297.14 = 67,887.44/x
  3. Step 3: Cross multiply
    180,105.12x = 270,297.14 × 67,887.44
  4. Step 4: Simplify right side
    180,105.12x = 18,349,780,873.92
  5. Step 5: Solve for x
    x = 18,349,780,873.92/180,105.12
  6. Step 6: Final answer
    x = 101,883.73

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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.