Home / 167,909.22-231,639.84-113,443.92

Finding the Fourth Proportional to 167,909.22, 231,639.84 and 113,443.92

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Solution

The fourth proportional to 167,909.22, 231,639.84 and 113,443.92 is: 156,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,909.22 : 231,639.84 = 113,443.92 : x
  2. Step 2: Convert to fraction form
    167,909.22/231,639.84 = 113,443.92/x
  3. Step 3: Cross multiply
    167,909.22x = 231,639.84 × 113,443.92
  4. Step 4: Simplify right side
    167,909.22x = 26,278,131,477.77
  5. Step 5: Solve for x
    x = 26,278,131,477.77/167,909.22
  6. Step 6: Final answer
    x = 156,502.02

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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.