Home / 120,629.14-166,467.60-66,913.60

Finding the Fourth Proportional to 120,629.14, 166,467.60 and 66,913.60

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Solution

The fourth proportional to 120,629.14, 166,467.60 and 66,913.60 is: 92,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,629.14 : 166,467.60 = 66,913.60 : x
  2. Step 2: Convert to fraction form
    120,629.14/166,467.60 = 66,913.60/x
  3. Step 3: Cross multiply
    120,629.14x = 166,467.60 × 66,913.60
  4. Step 4: Simplify right side
    120,629.14x = 11,138,946,399.36
  5. Step 5: Solve for x
    x = 11,138,946,399.36/120,629.14
  6. Step 6: Final answer
    x = 92,340.43

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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.