Home / 297,866.20-446,021.70-192,112.60

Finding the Fourth Proportional to 297,866.20, 446,021.70 and 192,112.60

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Solution

The fourth proportional to 297,866.20, 446,021.70 and 192,112.60 is: 287,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,866.20 : 446,021.70 = 192,112.60 : x
  2. Step 2: Convert to fraction form
    297,866.20/446,021.70 = 192,112.60/x
  3. Step 3: Cross multiply
    297,866.20x = 446,021.70 × 192,112.60
  4. Step 4: Simplify right side
    297,866.20x = 85,686,388,443.42
  5. Step 5: Solve for x
    x = 85,686,388,443.42/297,866.20
  6. Step 6: Final answer
    x = 287,667.38

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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.