Home / 190,673.52-263,129.49-105,790.38

Finding the Fourth Proportional to 190,673.52, 263,129.49 and 105,790.38

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Solution

The fourth proportional to 190,673.52, 263,129.49 and 105,790.38 is: 145,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,673.52 : 263,129.49 = 105,790.38 : x
  2. Step 2: Convert to fraction form
    190,673.52/263,129.49 = 105,790.38/x
  3. Step 3: Cross multiply
    190,673.52x = 263,129.49 × 105,790.38
  4. Step 4: Simplify right side
    190,673.52x = 27,836,568,736.31
  5. Step 5: Solve for x
    x = 27,836,568,736.31/190,673.52
  6. Step 6: Final answer
    x = 145,990.74

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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.