Home / 737,139.20-1,105,708.80-238,553.60

Finding the Fourth Proportional to 737,139.20, 1,105,708.80 and 238,553.60

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Solution

The fourth proportional to 737,139.20, 1,105,708.80 and 238,553.60 is: 357,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,139.20 : 1,105,708.80 = 238,553.60 : x
  2. Step 2: Convert to fraction form
    737,139.20/1,105,708.80 = 238,553.60/x
  3. Step 3: Cross multiply
    737,139.20x = 1,105,708.80 × 238,553.60
  4. Step 4: Simplify right side
    737,139.20x = 263,770,814,791.68
  5. Step 5: Solve for x
    x = 263,770,814,791.68/737,139.20
  6. Step 6: Final answer
    x = 357,830.40

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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.