Home / 215,876.42-323,886.31-95,916.68

Finding the Fourth Proportional to 215,876.42, 323,886.31 and 95,916.68

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Solution

The fourth proportional to 215,876.42, 323,886.31 and 95,916.68 is: 143,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,876.42 : 323,886.31 = 95,916.68 : x
  2. Step 2: Convert to fraction form
    215,876.42/323,886.31 = 95,916.68/x
  3. Step 3: Cross multiply
    215,876.42x = 323,886.31 × 95,916.68
  4. Step 4: Simplify right side
    215,876.42x = 31,066,099,552.65
  5. Step 5: Solve for x
    x = 31,066,099,552.65/215,876.42
  6. Step 6: Final answer
    x = 143,906.87

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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.