Home / 215,878.88-323,890.04-95,919.16

Finding the Fourth Proportional to 215,878.88, 323,890.04 and 95,919.16

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Solution

The fourth proportional to 215,878.88, 323,890.04 and 95,919.16 is: 143,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,878.88 : 323,890.04 = 95,919.16 : x
  2. Step 2: Convert to fraction form
    215,878.88/323,890.04 = 95,919.16/x
  3. Step 3: Cross multiply
    215,878.88x = 323,890.04 × 95,919.16
  4. Step 4: Simplify right side
    215,878.88x = 31,067,260,569.17
  5. Step 5: Solve for x
    x = 31,067,260,569.17/215,878.88
  6. Step 6: Final answer
    x = 143,910.61

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1.5x scale

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.