Home / 215,717.80-323,576.70-192,908.20

Finding the Fourth Proportional to 215,717.80, 323,576.70 and 192,908.20

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Solution

The fourth proportional to 215,717.80, 323,576.70 and 192,908.20 is: 289,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,717.80 : 323,576.70 = 192,908.20 : x
  2. Step 2: Convert to fraction form
    215,717.80/323,576.70 = 192,908.20/x
  3. Step 3: Cross multiply
    215,717.80x = 323,576.70 × 192,908.20
  4. Step 4: Simplify right side
    215,717.80x = 62,420,598,758.94
  5. Step 5: Solve for x
    x = 62,420,598,758.94/215,717.80
  6. Step 6: Final answer
    x = 289,362.30

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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.