Home / 143,997.12-215,928.72-44,131.68

Finding the Fourth Proportional to 143,997.12, 215,928.72 and 44,131.68

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Solution

The fourth proportional to 143,997.12, 215,928.72 and 44,131.68 is: 66,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,997.12 : 215,928.72 = 44,131.68 : x
  2. Step 2: Convert to fraction form
    143,997.12/215,928.72 = 44,131.68/x
  3. Step 3: Cross multiply
    143,997.12x = 215,928.72 × 44,131.68
  4. Step 4: Simplify right side
    143,997.12x = 9,529,297,173.85
  5. Step 5: Solve for x
    x = 9,529,297,173.85/143,997.12
  6. Step 6: Final answer
    x = 66,177.00

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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.