Home / 115,520.46-173,236.95-45,361.50

Finding the Fourth Proportional to 115,520.46, 173,236.95 and 45,361.50

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Solution

The fourth proportional to 115,520.46, 173,236.95 and 45,361.50 is: 68,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520.46 : 173,236.95 = 45,361.50 : x
  2. Step 2: Convert to fraction form
    115,520.46/173,236.95 = 45,361.50/x
  3. Step 3: Cross multiply
    115,520.46x = 173,236.95 × 45,361.50
  4. Step 4: Simplify right side
    115,520.46x = 7,858,287,907.43
  5. Step 5: Solve for x
    x = 7,858,287,907.43/115,520.46
  6. Step 6: Final answer
    x = 68,025.07

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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.