Home / 166,930.36-230,356.32-91,477.24

Finding the Fourth Proportional to 166,930.36, 230,356.32 and 91,477.24

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Solution

The fourth proportional to 166,930.36, 230,356.32 and 91,477.24 is: 126,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,930.36 : 230,356.32 = 91,477.24 : x
  2. Step 2: Convert to fraction form
    166,930.36/230,356.32 = 91,477.24/x
  3. Step 3: Cross multiply
    166,930.36x = 230,356.32 × 91,477.24
  4. Step 4: Simplify right side
    166,930.36x = 21,072,360,370.16
  5. Step 5: Solve for x
    x = 21,072,360,370.16/166,930.36
  6. Step 6: Final answer
    x = 126,234.44

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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.