Home / 197,116.80-295,286.40-113,913.60

Finding the Fourth Proportional to 197,116.80, 295,286.40 and 113,913.60

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Solution

The fourth proportional to 197,116.80, 295,286.40 and 113,913.60 is: 170,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,116.80 : 295,286.40 = 113,913.60 : x
  2. Step 2: Convert to fraction form
    197,116.80/295,286.40 = 113,913.60/x
  3. Step 3: Cross multiply
    197,116.80x = 295,286.40 × 113,913.60
  4. Step 4: Simplify right side
    197,116.80x = 33,637,136,855.04
  5. Step 5: Solve for x
    x = 33,637,136,855.04/197,116.80
  6. Step 6: Final answer
    x = 170,645.71

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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.