Home / 192,972.11-289,500.70-64,884.02

Finding the Fourth Proportional to 192,972.11, 289,500.70 and 64,884.02

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Solution

The fourth proportional to 192,972.11, 289,500.70 and 64,884.02 is: 97,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,972.11 : 289,500.70 = 64,884.02 : x
  2. Step 2: Convert to fraction form
    192,972.11/289,500.70 = 64,884.02/x
  3. Step 3: Cross multiply
    192,972.11x = 289,500.70 × 64,884.02
  4. Step 4: Simplify right side
    192,972.11x = 18,783,969,770.36
  5. Step 5: Solve for x
    x = 18,783,969,770.36/192,972.11
  6. Step 6: Final answer
    x = 97,340.33

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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.