Home / 166,453.75-229,707-91,002.25

Finding the Fourth Proportional to 166,453.75, 229,707 and 91,002.25

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Solution

The fourth proportional to 166,453.75, 229,707 and 91,002.25 is: 125,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,453.75 : 229,707 = 91,002.25 : x
  2. Step 2: Convert to fraction form
    166,453.75/229,707 = 91,002.25/x
  3. Step 3: Cross multiply
    166,453.75x = 229,707 × 91,002.25
  4. Step 4: Simplify right side
    166,453.75x = 20,903,853,840.75
  5. Step 5: Solve for x
    x = 20,903,853,840.75/166,453.75
  6. Step 6: Final answer
    x = 125,583.56

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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.