Home / 168,280.77-252,205.17-73,485.26

Finding the Fourth Proportional to 168,280.77, 252,205.17 and 73,485.26

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Solution

The fourth proportional to 168,280.77, 252,205.17 and 73,485.26 is: 110,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,280.77 : 252,205.17 = 73,485.26 : x
  2. Step 2: Convert to fraction form
    168,280.77/252,205.17 = 73,485.26/x
  3. Step 3: Cross multiply
    168,280.77x = 252,205.17 × 73,485.26
  4. Step 4: Simplify right side
    168,280.77x = 18,533,361,229.77
  5. Step 5: Solve for x
    x = 18,533,361,229.77/168,280.77
  6. Step 6: Final answer
    x = 110,133.57

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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.