Home / 190,982.94-263,563.80-104,945.55

Finding the Fourth Proportional to 190,982.94, 263,563.80 and 104,945.55

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Solution

The fourth proportional to 190,982.94, 263,563.80 and 104,945.55 is: 144,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,982.94 : 263,563.80 = 104,945.55 : x
  2. Step 2: Convert to fraction form
    190,982.94/263,563.80 = 104,945.55/x
  3. Step 3: Cross multiply
    190,982.94x = 263,563.80 × 104,945.55
  4. Step 4: Simplify right side
    190,982.94x = 27,659,847,951.09
  5. Step 5: Solve for x
    x = 27,659,847,951.09/190,982.94
  6. Step 6: Final answer
    x = 144,828.89

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1.5x scale

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.