Home / 204,956.40-307,434.60-148,531.80

Finding the Fourth Proportional to 204,956.40, 307,434.60 and 148,531.80

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Solution

The fourth proportional to 204,956.40, 307,434.60 and 148,531.80 is: 222,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,956.40 : 307,434.60 = 148,531.80 : x
  2. Step 2: Convert to fraction form
    204,956.40/307,434.60 = 148,531.80/x
  3. Step 3: Cross multiply
    204,956.40x = 307,434.60 × 148,531.80
  4. Step 4: Simplify right side
    204,956.40x = 45,663,814,520.28
  5. Step 5: Solve for x
    x = 45,663,814,520.28/204,956.40
  6. Step 6: Final answer
    x = 222,797.70

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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.