Home / 190,222.70-285,381.43-57,105.41

Finding the Fourth Proportional to 190,222.70, 285,381.43 and 57,105.41

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Solution

The fourth proportional to 190,222.70, 285,381.43 and 57,105.41 is: 85,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,222.70 : 285,381.43 = 57,105.41 : x
  2. Step 2: Convert to fraction form
    190,222.70/285,381.43 = 57,105.41/x
  3. Step 3: Cross multiply
    190,222.70x = 285,381.43 × 57,105.41
  4. Step 4: Simplify right side
    190,222.70x = 16,296,821,996.87
  5. Step 5: Solve for x
    x = 16,296,821,996.87/190,222.70
  6. Step 6: Final answer
    x = 85,672.33

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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.