Home / 192,858.05-289,306.10-66,481.67

Finding the Fourth Proportional to 192,858.05, 289,306.10 and 66,481.67

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Solution

The fourth proportional to 192,858.05, 289,306.10 and 66,481.67 is: 99,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,858.05 : 289,306.10 = 66,481.67 : x
  2. Step 2: Convert to fraction form
    192,858.05/289,306.10 = 66,481.67/x
  3. Step 3: Cross multiply
    192,858.05x = 289,306.10 × 66,481.67
  4. Step 4: Simplify right side
    192,858.05x = 19,233,553,558.66
  5. Step 5: Solve for x
    x = 19,233,553,558.66/192,858.05
  6. Step 6: Final answer
    x = 99,729.07

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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.