Home / 197,109.40-295,664.10-171,448.60

Finding the Fourth Proportional to 197,109.40, 295,664.10 and 171,448.60

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Solution

The fourth proportional to 197,109.40, 295,664.10 and 171,448.60 is: 257,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,109.40 : 295,664.10 = 171,448.60 : x
  2. Step 2: Convert to fraction form
    197,109.40/295,664.10 = 171,448.60/x
  3. Step 3: Cross multiply
    197,109.40x = 295,664.10 × 171,448.60
  4. Step 4: Simplify right side
    197,109.40x = 50,691,196,015.26
  5. Step 5: Solve for x
    x = 50,691,196,015.26/197,109.40
  6. Step 6: Final answer
    x = 257,172.90

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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.