Home / 190,813.50-263,309.27-105,923.88

Finding the Fourth Proportional to 190,813.50, 263,309.27 and 105,923.88

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Solution

The fourth proportional to 190,813.50, 263,309.27 and 105,923.88 is: 146,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,813.50 : 263,309.27 = 105,923.88 : x
  2. Step 2: Convert to fraction form
    190,813.50/263,309.27 = 105,923.88/x
  3. Step 3: Cross multiply
    190,813.50x = 263,309.27 × 105,923.88
  4. Step 4: Simplify right side
    190,813.50x = 27,890,738,988.75
  5. Step 5: Solve for x
    x = 27,890,738,988.75/190,813.50
  6. Step 6: Final answer
    x = 146,167.54

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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.