Home / 144,239.32-199,025.94-80,577.64

Finding the Fourth Proportional to 144,239.32, 199,025.94 and 80,577.64

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Solution

The fourth proportional to 144,239.32, 199,025.94 and 80,577.64 is: 111,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,239.32 : 199,025.94 = 80,577.64 : x
  2. Step 2: Convert to fraction form
    144,239.32/199,025.94 = 80,577.64/x
  3. Step 3: Cross multiply
    144,239.32x = 199,025.94 × 80,577.64
  4. Step 4: Simplify right side
    144,239.32x = 16,037,040,543.98
  5. Step 5: Solve for x
    x = 16,037,040,543.98/144,239.32
  6. Step 6: Final answer
    x = 111,183.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.