Home / 150,803.56-208,110.33-82,821.94

Finding the Fourth Proportional to 150,803.56, 208,110.33 and 82,821.94

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Solution

The fourth proportional to 150,803.56, 208,110.33 and 82,821.94 is: 114,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,803.56 : 208,110.33 = 82,821.94 : x
  2. Step 2: Convert to fraction form
    150,803.56/208,110.33 = 82,821.94/x
  3. Step 3: Cross multiply
    150,803.56x = 208,110.33 × 82,821.94
  4. Step 4: Simplify right side
    150,803.56x = 17,236,100,224.09
  5. Step 5: Solve for x
    x = 17,236,100,224.09/150,803.56
  6. Step 6: Final answer
    x = 114,295.05

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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.