Home / 149,642.24-223,971.78-113,910.68

Finding the Fourth Proportional to 149,642.24, 223,971.78 and 113,910.68

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Solution

The fourth proportional to 149,642.24, 223,971.78 and 113,910.68 is: 170,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,642.24 : 223,971.78 = 113,910.68 : x
  2. Step 2: Convert to fraction form
    149,642.24/223,971.78 = 113,910.68/x
  3. Step 3: Cross multiply
    149,642.24x = 223,971.78 × 113,910.68
  4. Step 4: Simplify right side
    149,642.24x = 25,512,777,760.61
  5. Step 5: Solve for x
    x = 25,512,777,760.61/149,642.24
  6. Step 6: Final answer
    x = 170,491.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.