Home / 167,771.81-231,717.07-113,966.75

Finding the Fourth Proportional to 167,771.81, 231,717.07 and 113,966.75

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Solution

The fourth proportional to 167,771.81, 231,717.07 and 113,966.75 is: 157,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,771.81 : 231,717.07 = 113,966.75 : x
  2. Step 2: Convert to fraction form
    167,771.81/231,717.07 = 113,966.75/x
  3. Step 3: Cross multiply
    167,771.81x = 231,717.07 × 113,966.75
  4. Step 4: Simplify right side
    167,771.81x = 26,408,042,109.17
  5. Step 5: Solve for x
    x = 26,408,042,109.17/167,771.81
  6. Step 6: Final answer
    x = 157,404.52

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1.5x scale

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.