Home / 215,942.20-323,816.10-97,552.60

Finding the Fourth Proportional to 215,942.20, 323,816.10 and 97,552.60

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Solution

The fourth proportional to 215,942.20, 323,816.10 and 97,552.60 is: 146,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,942.20 : 323,816.10 = 97,552.60 : x
  2. Step 2: Convert to fraction form
    215,942.20/323,816.10 = 97,552.60/x
  3. Step 3: Cross multiply
    215,942.20x = 323,816.10 × 97,552.60
  4. Step 4: Simplify right side
    215,942.20x = 31,589,102,476.86
  5. Step 5: Solve for x
    x = 31,589,102,476.86/215,942.20
  6. Step 6: Final answer
    x = 146,284.99

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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.