Home / 190,640.70-263,084.40-105,757.76

Finding the Fourth Proportional to 190,640.70, 263,084.40 and 105,757.76

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Solution

The fourth proportional to 190,640.70, 263,084.40 and 105,757.76 is: 145,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640.70 : 263,084.40 = 105,757.76 : x
  2. Step 2: Convert to fraction form
    190,640.70/263,084.40 = 105,757.76/x
  3. Step 3: Cross multiply
    190,640.70x = 263,084.40 × 105,757.76
  4. Step 4: Simplify right side
    190,640.70x = 27,823,216,834.94
  5. Step 5: Solve for x
    x = 27,823,216,834.94/190,640.70
  6. Step 6: Final answer
    x = 145,945.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.