Home / 167,661.83-231,256.22-113,853.43

Finding the Fourth Proportional to 167,661.83, 231,256.22 and 113,853.43

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Solution

The fourth proportional to 167,661.83, 231,256.22 and 113,853.43 is: 157,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,661.83 : 231,256.22 = 113,853.43 : x
  2. Step 2: Convert to fraction form
    167,661.83/231,256.22 = 113,853.43/x
  3. Step 3: Cross multiply
    167,661.83x = 231,256.22 × 113,853.43
  4. Step 4: Simplify right side
    167,661.83x = 26,329,313,575.64
  5. Step 5: Solve for x
    x = 26,329,313,575.64/167,661.83
  6. Step 6: Final answer
    x = 157,038.21

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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.