Home / 168,059.96-231,919.76-91,579.72

Finding the Fourth Proportional to 168,059.96, 231,919.76 and 91,579.72

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Solution

The fourth proportional to 168,059.96, 231,919.76 and 91,579.72 is: 126,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.96 : 231,919.76 = 91,579.72 : x
  2. Step 2: Convert to fraction form
    168,059.96/231,919.76 = 91,579.72/x
  3. Step 3: Cross multiply
    168,059.96x = 231,919.76 × 91,579.72
  4. Step 4: Simplify right side
    168,059.96x = 21,239,146,683.27
  5. Step 5: Solve for x
    x = 21,239,146,683.27/168,059.96
  6. Step 6: Final answer
    x = 126,378.39

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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.