Home / 204,419.40-306,629.10-186,048.60

Finding the Fourth Proportional to 204,419.40, 306,629.10 and 186,048.60

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Solution

The fourth proportional to 204,419.40, 306,629.10 and 186,048.60 is: 279,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,419.40 : 306,629.10 = 186,048.60 : x
  2. Step 2: Convert to fraction form
    204,419.40/306,629.10 = 186,048.60/x
  3. Step 3: Cross multiply
    204,419.40x = 306,629.10 × 186,048.60
  4. Step 4: Simplify right side
    204,419.40x = 57,047,914,774.26
  5. Step 5: Solve for x
    x = 57,047,914,774.26/204,419.40
  6. Step 6: Final answer
    x = 279,072.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.