Home / 190,863.70-263,398.53-105,982.18

Finding the Fourth Proportional to 190,863.70, 263,398.53 and 105,982.18

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Solution

The fourth proportional to 190,863.70, 263,398.53 and 105,982.18 is: 146,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,863.70 : 263,398.53 = 105,982.18 : x
  2. Step 2: Convert to fraction form
    190,863.70/263,398.53 = 105,982.18/x
  3. Step 3: Cross multiply
    190,863.70x = 263,398.53 × 105,982.18
  4. Step 4: Simplify right side
    190,863.70x = 27,915,550,418.20
  5. Step 5: Solve for x
    x = 27,915,550,418.20/190,863.70
  6. Step 6: Final answer
    x = 146,259.09

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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.