Home / 166,766.48-230,137.80-91,319.60

Finding the Fourth Proportional to 166,766.48, 230,137.80 and 91,319.60

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Solution

The fourth proportional to 166,766.48, 230,137.80 and 91,319.60 is: 126,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,766.48 : 230,137.80 = 91,319.60 : x
  2. Step 2: Convert to fraction form
    166,766.48/230,137.80 = 91,319.60/x
  3. Step 3: Cross multiply
    166,766.48x = 230,137.80 × 91,319.60
  4. Step 4: Simplify right side
    166,766.48x = 21,016,091,840.88
  5. Step 5: Solve for x
    x = 21,016,091,840.88/166,766.48
  6. Step 6: Final answer
    x = 126,021.08

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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.