Home / 197,200.80-295,628.40-118,231.20

Finding the Fourth Proportional to 197,200.80, 295,628.40 and 118,231.20

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Solution

The fourth proportional to 197,200.80, 295,628.40 and 118,231.20 is: 177,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,200.80 : 295,628.40 = 118,231.20 : x
  2. Step 2: Convert to fraction form
    197,200.80/295,628.40 = 118,231.20/x
  3. Step 3: Cross multiply
    197,200.80x = 295,628.40 × 118,231.20
  4. Step 4: Simplify right side
    197,200.80x = 34,952,500,486.08
  5. Step 5: Solve for x
    x = 34,952,500,486.08/197,200.80
  6. Step 6: Final answer
    x = 177,243.20

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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.