Home / 135,745.20-203,569.02-46,974.60

Finding the Fourth Proportional to 135,745.20, 203,569.02 and 46,974.60

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Solution

The fourth proportional to 135,745.20, 203,569.02 and 46,974.60 is: 70,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,745.20 : 203,569.02 = 46,974.60 : x
  2. Step 2: Convert to fraction form
    135,745.20/203,569.02 = 46,974.60/x
  3. Step 3: Cross multiply
    135,745.20x = 203,569.02 × 46,974.60
  4. Step 4: Simplify right side
    135,745.20x = 9,562,573,286.89
  5. Step 5: Solve for x
    x = 9,562,573,286.89/135,745.20
  6. Step 6: Final answer
    x = 70,445.02

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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.