Home / 166,791.12-230,169.32-91,339.60

Finding the Fourth Proportional to 166,791.12, 230,169.32 and 91,339.60

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Solution

The fourth proportional to 166,791.12, 230,169.32 and 91,339.60 is: 126,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,791.12 : 230,169.32 = 91,339.60 : x
  2. Step 2: Convert to fraction form
    166,791.12/230,169.32 = 91,339.60/x
  3. Step 3: Cross multiply
    166,791.12x = 230,169.32 × 91,339.60
  4. Step 4: Simplify right side
    166,791.12x = 21,023,573,621.07
  5. Step 5: Solve for x
    x = 21,023,573,621.07/166,791.12
  6. Step 6: Final answer
    x = 126,047.32

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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.