Home / 381,983.70-572,557.05-192,141.30

Finding the Fourth Proportional to 381,983.70, 572,557.05 and 192,141.30

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Solution

The fourth proportional to 381,983.70, 572,557.05 and 192,141.30 is: 288,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,983.70 : 572,557.05 = 192,141.30 : x
  2. Step 2: Convert to fraction form
    381,983.70/572,557.05 = 192,141.30/x
  3. Step 3: Cross multiply
    381,983.70x = 572,557.05 × 192,141.30
  4. Step 4: Simplify right side
    381,983.70x = 110,011,855,911.17
  5. Step 5: Solve for x
    x = 110,011,855,911.17/381,983.70
  6. Step 6: Final answer
    x = 288,001.44

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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.