Home / 166,840.68-230,243.16-91,384.32

Finding the Fourth Proportional to 166,840.68, 230,243.16 and 91,384.32

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Solution

The fourth proportional to 166,840.68, 230,243.16 and 91,384.32 is: 126,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.68 : 230,243.16 = 91,384.32 : x
  2. Step 2: Convert to fraction form
    166,840.68/230,243.16 = 91,384.32/x
  3. Step 3: Cross multiply
    166,840.68x = 230,243.16 × 91,384.32
  4. Step 4: Simplify right side
    166,840.68x = 21,040,614,611.25
  5. Step 5: Solve for x
    x = 21,040,614,611.25/166,840.68
  6. Step 6: Final answer
    x = 126,112.02

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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.