Home / 190,709.09-263,220.37-149,233.94

Finding the Fourth Proportional to 190,709.09, 263,220.37 and 149,233.94

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Solution

The fourth proportional to 190,709.09, 263,220.37 and 149,233.94 is: 205,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.09 : 263,220.37 = 149,233.94 : x
  2. Step 2: Convert to fraction form
    190,709.09/263,220.37 = 149,233.94/x
  3. Step 3: Cross multiply
    190,709.09x = 263,220.37 × 149,233.94
  4. Step 4: Simplify right side
    190,709.09x = 39,281,412,903.36
  5. Step 5: Solve for x
    x = 39,281,412,903.36/190,709.09
  6. Step 6: Final answer
    x = 205,975.57

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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.