Home / 215,825.30-323,767.51-73,632.43

Finding the Fourth Proportional to 215,825.30, 323,767.51 and 73,632.43

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Solution

The fourth proportional to 215,825.30, 323,767.51 and 73,632.43 is: 110,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,825.30 : 323,767.51 = 73,632.43 : x
  2. Step 2: Convert to fraction form
    215,825.30/323,767.51 = 73,632.43/x
  3. Step 3: Cross multiply
    215,825.30x = 323,767.51 × 73,632.43
  4. Step 4: Simplify right side
    215,825.30x = 23,839,788,516.35
  5. Step 5: Solve for x
    x = 23,839,788,516.35/215,825.30
  6. Step 6: Final answer
    x = 110,458.73

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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.