Home / 166,427.28-229,668.48-90,975.96

Finding the Fourth Proportional to 166,427.28, 229,668.48 and 90,975.96

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Solution

The fourth proportional to 166,427.28, 229,668.48 and 90,975.96 is: 125,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.28 : 229,668.48 = 90,975.96 : x
  2. Step 2: Convert to fraction form
    166,427.28/229,668.48 = 90,975.96/x
  3. Step 3: Cross multiply
    166,427.28x = 229,668.48 × 90,975.96
  4. Step 4: Simplify right side
    166,427.28x = 20,894,310,449.74
  5. Step 5: Solve for x
    x = 20,894,310,449.74/166,427.28
  6. Step 6: Final answer
    x = 125,546.19

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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.