Home / 166,765.10-230,133.54-91,313.60

Finding the Fourth Proportional to 166,765.10, 230,133.54 and 91,313.60

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Solution

The fourth proportional to 166,765.10, 230,133.54 and 91,313.60 is: 126,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,765.10 : 230,133.54 = 91,313.60 : x
  2. Step 2: Convert to fraction form
    166,765.10/230,133.54 = 91,313.60/x
  3. Step 3: Cross multiply
    166,765.10x = 230,133.54 × 91,313.60
  4. Step 4: Simplify right side
    166,765.10x = 21,014,322,018.14
  5. Step 5: Solve for x
    x = 21,014,322,018.14/166,765.10
  6. Step 6: Final answer
    x = 126,011.51

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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.