Home / 166,873.94-230,284.66-90,391.26

Finding the Fourth Proportional to 166,873.94, 230,284.66 and 90,391.26

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Solution

The fourth proportional to 166,873.94, 230,284.66 and 90,391.26 is: 124,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,873.94 : 230,284.66 = 90,391.26 : x
  2. Step 2: Convert to fraction form
    166,873.94/230,284.66 = 90,391.26/x
  3. Step 3: Cross multiply
    166,873.94x = 230,284.66 × 90,391.26
  4. Step 4: Simplify right side
    166,873.94x = 20,815,720,576.07
  5. Step 5: Solve for x
    x = 20,815,720,576.07/166,873.94
  6. Step 6: Final answer
    x = 124,739.19

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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.