Home / 166,917.20-230,344.14-90,434.60

Finding the Fourth Proportional to 166,917.20, 230,344.14 and 90,434.60

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Solution

The fourth proportional to 166,917.20, 230,344.14 and 90,434.60 is: 124,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,917.20 : 230,344.14 = 90,434.60 : x
  2. Step 2: Convert to fraction form
    166,917.20/230,344.14 = 90,434.60/x
  3. Step 3: Cross multiply
    166,917.20x = 230,344.14 × 90,434.60
  4. Step 4: Simplify right side
    166,917.20x = 20,831,080,163.24
  5. Step 5: Solve for x
    x = 20,831,080,163.24/166,917.20
  6. Step 6: Final answer
    x = 124,798.88

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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.