Home / 166,936.96-230,371.68-91,485.28

Finding the Fourth Proportional to 166,936.96, 230,371.68 and 91,485.28

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Solution

The fourth proportional to 166,936.96, 230,371.68 and 91,485.28 is: 126,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,936.96 : 230,371.68 = 91,485.28 : x
  2. Step 2: Convert to fraction form
    166,936.96/230,371.68 = 91,485.28/x
  3. Step 3: Cross multiply
    166,936.96x = 230,371.68 × 91,485.28
  4. Step 4: Simplify right side
    166,936.96x = 21,075,617,648.87
  5. Step 5: Solve for x
    x = 21,075,617,648.87/166,936.96
  6. Step 6: Final answer
    x = 126,248.96

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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.