Home / 190,624.82-263,093.78-105,769.22

Finding the Fourth Proportional to 190,624.82, 263,093.78 and 105,769.22

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Solution

The fourth proportional to 190,624.82, 263,093.78 and 105,769.22 is: 145,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,624.82 : 263,093.78 = 105,769.22 : x
  2. Step 2: Convert to fraction form
    190,624.82/263,093.78 = 105,769.22/x
  3. Step 3: Cross multiply
    190,624.82x = 263,093.78 × 105,769.22
  4. Step 4: Simplify right side
    190,624.82x = 27,827,222,846.41
  5. Step 5: Solve for x
    x = 27,827,222,846.41/190,624.82
  6. Step 6: Final answer
    x = 145,979.02

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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.