Home / 192,857.34-289,325.07-68,285.82

Finding the Fourth Proportional to 192,857.34, 289,325.07 and 68,285.82

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Solution

The fourth proportional to 192,857.34, 289,325.07 and 68,285.82 is: 102,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,857.34 : 289,325.07 = 68,285.82 : x
  2. Step 2: Convert to fraction form
    192,857.34/289,325.07 = 68,285.82/x
  3. Step 3: Cross multiply
    192,857.34x = 289,325.07 × 68,285.82
  4. Step 4: Simplify right side
    192,857.34x = 19,756,799,651.51
  5. Step 5: Solve for x
    x = 19,756,799,651.51/192,857.34
  6. Step 6: Final answer
    x = 102,442.56

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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.