Home / 166,578.36-229,883.68-91,126.86

Finding the Fourth Proportional to 166,578.36, 229,883.68 and 91,126.86

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Solution

The fourth proportional to 166,578.36, 229,883.68 and 91,126.86 is: 125,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,578.36 : 229,883.68 = 91,126.86 : x
  2. Step 2: Convert to fraction form
    166,578.36/229,883.68 = 91,126.86/x
  3. Step 3: Cross multiply
    166,578.36x = 229,883.68 × 91,126.86
  4. Step 4: Simplify right side
    166,578.36x = 20,948,577,923.64
  5. Step 5: Solve for x
    x = 20,948,577,923.64/166,578.36
  6. Step 6: Final answer
    x = 125,758.10

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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.