Home / 192,822.12-289,189.44-68,163.12

Finding the Fourth Proportional to 192,822.12, 289,189.44 and 68,163.12

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Solution

The fourth proportional to 192,822.12, 289,189.44 and 68,163.12 is: 102,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,822.12 : 289,189.44 = 68,163.12 : x
  2. Step 2: Convert to fraction form
    192,822.12/289,189.44 = 68,163.12/x
  3. Step 3: Cross multiply
    192,822.12x = 289,189.44 × 68,163.12
  4. Step 4: Simplify right side
    192,822.12x = 19,712,054,501.45
  5. Step 5: Solve for x
    x = 19,712,054,501.45/192,822.12
  6. Step 6: Final answer
    x = 102,229.22

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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.