Home / 166,858.14-230,270.13-91,406.64

Finding the Fourth Proportional to 166,858.14, 230,270.13 and 91,406.64

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Solution

The fourth proportional to 166,858.14, 230,270.13 and 91,406.64 is: 126,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,858.14 : 230,270.13 = 91,406.64 : x
  2. Step 2: Convert to fraction form
    166,858.14/230,270.13 = 91,406.64/x
  3. Step 3: Cross multiply
    166,858.14x = 230,270.13 × 91,406.64
  4. Step 4: Simplify right side
    166,858.14x = 21,048,218,875.66
  5. Step 5: Solve for x
    x = 21,048,218,875.66/166,858.14
  6. Step 6: Final answer
    x = 126,144.39

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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.