Home / 166,936.24-230,369.64-90,453.55

Finding the Fourth Proportional to 166,936.24, 230,369.64 and 90,453.55

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Solution

The fourth proportional to 166,936.24, 230,369.64 and 90,453.55 is: 124,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,936.24 : 230,369.64 = 90,453.55 : x
  2. Step 2: Convert to fraction form
    166,936.24/230,369.64 = 90,453.55/x
  3. Step 3: Cross multiply
    166,936.24x = 230,369.64 × 90,453.55
  4. Step 4: Simplify right side
    166,936.24x = 20,837,750,824.51
  5. Step 5: Solve for x
    x = 20,837,750,824.51/166,936.24
  6. Step 6: Final answer
    x = 124,824.61

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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.