Home / 118,181.25-177,172.45-54,969.26

Finding the Fourth Proportional to 118,181.25, 177,172.45 and 54,969.26

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Solution

The fourth proportional to 118,181.25, 177,172.45 and 54,969.26 is: 82,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.25 : 177,172.45 = 54,969.26 : x
  2. Step 2: Convert to fraction form
    118,181.25/177,172.45 = 54,969.26/x
  3. Step 3: Cross multiply
    118,181.25x = 177,172.45 × 54,969.26
  4. Step 4: Simplify right side
    118,181.25x = 9,739,037,445.60
  5. Step 5: Solve for x
    x = 9,739,037,445.60/118,181.25
  6. Step 6: Final answer
    x = 82,407.64

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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.