Home / 192,766.26-289,093.89-66,401.40

Finding the Fourth Proportional to 192,766.26, 289,093.89 and 66,401.40

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Solution

The fourth proportional to 192,766.26, 289,093.89 and 66,401.40 is: 99,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,766.26 : 289,093.89 = 66,401.40 : x
  2. Step 2: Convert to fraction form
    192,766.26/289,093.89 = 66,401.40/x
  3. Step 3: Cross multiply
    192,766.26x = 289,093.89 × 66,401.40
  4. Step 4: Simplify right side
    192,766.26x = 19,196,239,027.45
  5. Step 5: Solve for x
    x = 19,196,239,027.45/192,766.26
  6. Step 6: Final answer
    x = 99,582.98

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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.