Home / 204,948.60-307,653.30-158,407.80

Finding the Fourth Proportional to 204,948.60, 307,653.30 and 158,407.80

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Solution

The fourth proportional to 204,948.60, 307,653.30 and 158,407.80 is: 237,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,948.60 : 307,653.30 = 158,407.80 : x
  2. Step 2: Convert to fraction form
    204,948.60/307,653.30 = 158,407.80/x
  3. Step 3: Cross multiply
    204,948.60x = 307,653.30 × 158,407.80
  4. Step 4: Simplify right side
    204,948.60x = 48,734,682,415.74
  5. Step 5: Solve for x
    x = 48,734,682,415.74/204,948.60
  6. Step 6: Final answer
    x = 237,789.78

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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.