Home / 215,701.91-323,553.68-65,941.62

Finding the Fourth Proportional to 215,701.91, 323,553.68 and 65,941.62

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Solution

The fourth proportional to 215,701.91, 323,553.68 and 65,941.62 is: 98,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,701.91 : 323,553.68 = 65,941.62 : x
  2. Step 2: Convert to fraction form
    215,701.91/323,553.68 = 65,941.62/x
  3. Step 3: Cross multiply
    215,701.91x = 323,553.68 × 65,941.62
  4. Step 4: Simplify right side
    215,701.91x = 21,335,653,816.16
  5. Step 5: Solve for x
    x = 21,335,653,816.16/215,701.91
  6. Step 6: Final answer
    x = 98,912.68

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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.