Home / 190,720.44-263,196.58-105,845.40

Finding the Fourth Proportional to 190,720.44, 263,196.58 and 105,845.40

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Solution

The fourth proportional to 190,720.44, 263,196.58 and 105,845.40 is: 146,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,720.44 : 263,196.58 = 105,845.40 : x
  2. Step 2: Convert to fraction form
    190,720.44/263,196.58 = 105,845.40/x
  3. Step 3: Cross multiply
    190,720.44x = 263,196.58 × 105,845.40
  4. Step 4: Simplify right side
    190,720.44x = 27,858,147,288.73
  5. Step 5: Solve for x
    x = 27,858,147,288.73/190,720.44
  6. Step 6: Final answer
    x = 146,067.97

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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.