Home / 193,289.31-266,738.67-108,408.24

Finding the Fourth Proportional to 193,289.31, 266,738.67 and 108,408.24

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Solution

The fourth proportional to 193,289.31, 266,738.67 and 108,408.24 is: 149,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,289.31 : 266,738.67 = 108,408.24 : x
  2. Step 2: Convert to fraction form
    193,289.31/266,738.67 = 108,408.24/x
  3. Step 3: Cross multiply
    193,289.31x = 266,738.67 × 108,408.24
  4. Step 4: Simplify right side
    193,289.31x = 28,916,669,754.64
  5. Step 5: Solve for x
    x = 28,916,669,754.64/193,289.31
  6. Step 6: Final answer
    x = 149,603.05

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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.