Home / 168,059.52-231,922.56-91,579.20

Finding the Fourth Proportional to 168,059.52, 231,922.56 and 91,579.20

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Solution

The fourth proportional to 168,059.52, 231,922.56 and 91,579.20 is: 126,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.52 : 231,922.56 = 91,579.20 : x
  2. Step 2: Convert to fraction form
    168,059.52/231,922.56 = 91,579.20/x
  3. Step 3: Cross multiply
    168,059.52x = 231,922.56 × 91,579.20
  4. Step 4: Simplify right side
    168,059.52x = 21,239,282,506.75
  5. Step 5: Solve for x
    x = 21,239,282,506.75/168,059.52
  6. Step 6: Final answer
    x = 126,379.53

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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.