Home / 190,608.41-263,037.71-105,723.29

Finding the Fourth Proportional to 190,608.41, 263,037.71 and 105,723.29

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Solution

The fourth proportional to 190,608.41, 263,037.71 and 105,723.29 is: 145,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,608.41 : 263,037.71 = 105,723.29 : x
  2. Step 2: Convert to fraction form
    190,608.41/263,037.71 = 105,723.29/x
  3. Step 3: Cross multiply
    190,608.41x = 263,037.71 × 105,723.29
  4. Step 4: Simplify right side
    190,608.41x = 27,809,211,566.65
  5. Step 5: Solve for x
    x = 27,809,211,566.65/190,608.41
  6. Step 6: Final answer
    x = 145,897.09

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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.