Home / 189,553.96-261,584.40-108,997.30

Finding the Fourth Proportional to 189,553.96, 261,584.40 and 108,997.30

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Solution

The fourth proportional to 189,553.96, 261,584.40 and 108,997.30 is: 150,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,553.96 : 261,584.40 = 108,997.30 : x
  2. Step 2: Convert to fraction form
    189,553.96/261,584.40 = 108,997.30/x
  3. Step 3: Cross multiply
    189,553.96x = 261,584.40 × 108,997.30
  4. Step 4: Simplify right side
    189,553.96x = 28,511,993,322.12
  5. Step 5: Solve for x
    x = 28,511,993,322.12/189,553.96
  6. Step 6: Final answer
    x = 150,416.24

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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.