Home / 215,883.42-323,825.12-58,127.82

Finding the Fourth Proportional to 215,883.42, 323,825.12 and 58,127.82

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Solution

The fourth proportional to 215,883.42, 323,825.12 and 58,127.82 is: 87,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,883.42 : 323,825.12 = 58,127.82 : x
  2. Step 2: Convert to fraction form
    215,883.42/323,825.12 = 58,127.82/x
  3. Step 3: Cross multiply
    215,883.42x = 323,825.12 × 58,127.82
  4. Step 4: Simplify right side
    215,883.42x = 18,823,248,286.84
  5. Step 5: Solve for x
    x = 18,823,248,286.84/215,883.42
  6. Step 6: Final answer
    x = 87,191.73

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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.