Home / 133,202.96-183,629.40-82,181.60

Finding the Fourth Proportional to 133,202.96, 183,629.40 and 82,181.60

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Solution

The fourth proportional to 133,202.96, 183,629.40 and 82,181.60 is: 113,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,202.96 : 183,629.40 = 82,181.60 : x
  2. Step 2: Convert to fraction form
    133,202.96/183,629.40 = 82,181.60/x
  3. Step 3: Cross multiply
    133,202.96x = 183,629.40 × 82,181.60
  4. Step 4: Simplify right side
    133,202.96x = 15,090,957,899.04
  5. Step 5: Solve for x
    x = 15,090,957,899.04/133,202.96
  6. Step 6: Final answer
    x = 113,292.96

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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.