Home / 190,619.08-263,062.92-105,736.12

Finding the Fourth Proportional to 190,619.08, 263,062.92 and 105,736.12

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Solution

The fourth proportional to 190,619.08, 263,062.92 and 105,736.12 is: 145,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,619.08 : 263,062.92 = 105,736.12 : x
  2. Step 2: Convert to fraction form
    190,619.08/263,062.92 = 105,736.12/x
  3. Step 3: Cross multiply
    190,619.08x = 263,062.92 × 105,736.12
  4. Step 4: Simplify right side
    190,619.08x = 27,815,252,476.67
  5. Step 5: Solve for x
    x = 27,815,252,476.67/190,619.08
  6. Step 6: Final answer
    x = 145,920.61

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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.