Home / 113,431.44-170,134.19-30,331.92

Finding the Fourth Proportional to 113,431.44, 170,134.19 and 30,331.92

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Solution

The fourth proportional to 113,431.44, 170,134.19 and 30,331.92 is: 45,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,431.44 : 170,134.19 = 30,331.92 : x
  2. Step 2: Convert to fraction form
    113,431.44/170,134.19 = 30,331.92/x
  3. Step 3: Cross multiply
    113,431.44x = 170,134.19 × 30,331.92
  4. Step 4: Simplify right side
    113,431.44x = 5,160,496,640.34
  5. Step 5: Solve for x
    x = 5,160,496,640.34/113,431.44
  6. Step 6: Final answer
    x = 45,494.41

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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.