Home / 168,054.37-231,912.03-91,574.13

Finding the Fourth Proportional to 168,054.37, 231,912.03 and 91,574.13

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Solution

The fourth proportional to 168,054.37, 231,912.03 and 91,574.13 is: 126,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.37 : 231,912.03 = 91,574.13 : x
  2. Step 2: Convert to fraction form
    168,054.37/231,912.03 = 91,574.13/x
  3. Step 3: Cross multiply
    168,054.37x = 231,912.03 × 91,574.13
  4. Step 4: Simplify right side
    168,054.37x = 21,237,142,383.78
  5. Step 5: Solve for x
    x = 21,237,142,383.78/168,054.37
  6. Step 6: Final answer
    x = 126,370.66

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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.