Home / 190,755.88-263,243.10-105,872.92

Finding the Fourth Proportional to 190,755.88, 263,243.10 and 105,872.92

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Solution

The fourth proportional to 190,755.88, 263,243.10 and 105,872.92 is: 146,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,755.88 : 263,243.10 = 105,872.92 : x
  2. Step 2: Convert to fraction form
    190,755.88/263,243.10 = 105,872.92/x
  3. Step 3: Cross multiply
    190,755.88x = 263,243.10 × 105,872.92
  4. Step 4: Simplify right side
    190,755.88x = 27,870,315,666.85
  5. Step 5: Solve for x
    x = 27,870,315,666.85/190,755.88
  6. Step 6: Final answer
    x = 146,104.62

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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.