Home / 165,191.09-227,945.42-91,601.67

Finding the Fourth Proportional to 165,191.09, 227,945.42 and 91,601.67

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Solution

The fourth proportional to 165,191.09, 227,945.42 and 91,601.67 is: 126,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,191.09 : 227,945.42 = 91,601.67 : x
  2. Step 2: Convert to fraction form
    165,191.09/227,945.42 = 91,601.67/x
  3. Step 3: Cross multiply
    165,191.09x = 227,945.42 × 91,601.67
  4. Step 4: Simplify right side
    165,191.09x = 20,880,179,600.37
  5. Step 5: Solve for x
    x = 20,880,179,600.37/165,191.09
  6. Step 6: Final answer
    x = 126,400.16

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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.