Home / 168,036.58-231,887.57-91,556.31

Finding the Fourth Proportional to 168,036.58, 231,887.57 and 91,556.31

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Solution

The fourth proportional to 168,036.58, 231,887.57 and 91,556.31 is: 126,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036.58 : 231,887.57 = 91,556.31 : x
  2. Step 2: Convert to fraction form
    168,036.58/231,887.57 = 91,556.31/x
  3. Step 3: Cross multiply
    168,036.58x = 231,887.57 × 91,556.31
  4. Step 4: Simplify right side
    168,036.58x = 21,230,769,351.50
  5. Step 5: Solve for x
    x = 21,230,769,351.50/168,036.58
  6. Step 6: Final answer
    x = 126,346.12

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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.