Home / 437,200.70-655,824.56-137,704.73

Finding the Fourth Proportional to 437,200.70, 655,824.56 and 137,704.73

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Solution

The fourth proportional to 437,200.70, 655,824.56 and 137,704.73 is: 206,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,200.70 : 655,824.56 = 137,704.73 : x
  2. Step 2: Convert to fraction form
    437,200.70/655,824.56 = 137,704.73/x
  3. Step 3: Cross multiply
    437,200.70x = 655,824.56 × 137,704.73
  4. Step 4: Simplify right side
    437,200.70x = 90,310,139,994.52
  5. Step 5: Solve for x
    x = 90,310,139,994.52/437,200.70
  6. Step 6: Final answer
    x = 206,564.49

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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.