Home / 167,427.96-231,084.54-102,867.72

Finding the Fourth Proportional to 167,427.96, 231,084.54 and 102,867.72

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Solution

The fourth proportional to 167,427.96, 231,084.54 and 102,867.72 is: 141,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,427.96 : 231,084.54 = 102,867.72 : x
  2. Step 2: Convert to fraction form
    167,427.96/231,084.54 = 102,867.72/x
  3. Step 3: Cross multiply
    167,427.96x = 231,084.54 × 102,867.72
  4. Step 4: Simplify right side
    167,427.96x = 23,771,139,757.05
  5. Step 5: Solve for x
    x = 23,771,139,757.05/167,427.96
  6. Step 6: Final answer
    x = 141,978.32

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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.