Home / 191,136.43-263,738.75-110,571.45

Finding the Fourth Proportional to 191,136.43, 263,738.75 and 110,571.45

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Solution

The fourth proportional to 191,136.43, 263,738.75 and 110,571.45 is: 152,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,136.43 : 263,738.75 = 110,571.45 : x
  2. Step 2: Convert to fraction form
    191,136.43/263,738.75 = 110,571.45/x
  3. Step 3: Cross multiply
    191,136.43x = 263,738.75 × 110,571.45
  4. Step 4: Simplify right side
    191,136.43x = 29,161,976,668.03
  5. Step 5: Solve for x
    x = 29,161,976,668.03/191,136.43
  6. Step 6: Final answer
    x = 152,571.52

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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.