Home / 190,716.69-263,201.37-105,833.75

Finding the Fourth Proportional to 190,716.69, 263,201.37 and 105,833.75

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Solution

The fourth proportional to 190,716.69, 263,201.37 and 105,833.75 is: 146,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,716.69 : 263,201.37 = 105,833.75 : x
  2. Step 2: Convert to fraction form
    190,716.69/263,201.37 = 105,833.75/x
  3. Step 3: Cross multiply
    190,716.69x = 263,201.37 × 105,833.75
  4. Step 4: Simplify right side
    190,716.69x = 27,855,587,463.07
  5. Step 5: Solve for x
    x = 27,855,587,463.07/190,716.69
  6. Step 6: Final answer
    x = 146,057.42

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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.