Home / 204,844.60-307,266.90-125,702.20

Finding the Fourth Proportional to 204,844.60, 307,266.90 and 125,702.20

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Solution

The fourth proportional to 204,844.60, 307,266.90 and 125,702.20 is: 188,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,844.60 : 307,266.90 = 125,702.20 : x
  2. Step 2: Convert to fraction form
    204,844.60/307,266.90 = 125,702.20/x
  3. Step 3: Cross multiply
    204,844.60x = 307,266.90 × 125,702.20
  4. Step 4: Simplify right side
    204,844.60x = 38,624,125,317.18
  5. Step 5: Solve for x
    x = 38,624,125,317.18/204,844.60
  6. Step 6: Final answer
    x = 188,553.30

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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.