Home / 215,990.82-324,140.58-96,080.04

Finding the Fourth Proportional to 215,990.82, 324,140.58 and 96,080.04

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Solution

The fourth proportional to 215,990.82, 324,140.58 and 96,080.04 is: 144,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,990.82 : 324,140.58 = 96,080.04 : x
  2. Step 2: Convert to fraction form
    215,990.82/324,140.58 = 96,080.04/x
  3. Step 3: Cross multiply
    215,990.82x = 324,140.58 × 96,080.04
  4. Step 4: Simplify right side
    215,990.82x = 31,143,439,892.02
  5. Step 5: Solve for x
    x = 31,143,439,892.02/215,990.82
  6. Step 6: Final answer
    x = 144,188.72

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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.