Home / 215,450.08-323,252.88-75,229.36

Finding the Fourth Proportional to 215,450.08, 323,252.88 and 75,229.36

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Solution

The fourth proportional to 215,450.08, 323,252.88 and 75,229.36 is: 112,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,450.08 : 323,252.88 = 75,229.36 : x
  2. Step 2: Convert to fraction form
    215,450.08/323,252.88 = 75,229.36/x
  3. Step 3: Cross multiply
    215,450.08x = 323,252.88 × 75,229.36
  4. Step 4: Simplify right side
    215,450.08x = 24,318,107,280.56
  5. Step 5: Solve for x
    x = 24,318,107,280.56/215,450.08
  6. Step 6: Final answer
    x = 112,871.19

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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.