Home / 403,814.03-605,718.30-192,812.27

Finding the Fourth Proportional to 403,814.03, 605,718.30 and 192,812.27

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Solution

The fourth proportional to 403,814.03, 605,718.30 and 192,812.27 is: 289,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,814.03 : 605,718.30 = 192,812.27 : x
  2. Step 2: Convert to fraction form
    403,814.03/605,718.30 = 192,812.27/x
  3. Step 3: Cross multiply
    403,814.03x = 605,718.30 × 192,812.27
  4. Step 4: Simplify right side
    403,814.03x = 116,789,918,098.00
  5. Step 5: Solve for x
    x = 116,789,918,098.00/403,814.03
  6. Step 6: Final answer
    x = 289,217.09

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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.