Home / 118,734.26-178,166.99-66,173.36

Finding the Fourth Proportional to 118,734.26, 178,166.99 and 66,173.36

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Solution

The fourth proportional to 118,734.26, 178,166.99 and 66,173.36 is: 99,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,734.26 : 178,166.99 = 66,173.36 : x
  2. Step 2: Convert to fraction form
    118,734.26/178,166.99 = 66,173.36/x
  3. Step 3: Cross multiply
    118,734.26x = 178,166.99 × 66,173.36
  4. Step 4: Simplify right side
    118,734.26x = 11,789,907,643.98
  5. Step 5: Solve for x
    x = 11,789,907,643.98/118,734.26
  6. Step 6: Final answer
    x = 99,296.60

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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.