Home / 197,933.20-297,130.20-119,136.40

Finding the Fourth Proportional to 197,933.20, 297,130.20 and 119,136.40

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Solution

The fourth proportional to 197,933.20, 297,130.20 and 119,136.40 is: 178,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,933.20 : 297,130.20 = 119,136.40 : x
  2. Step 2: Convert to fraction form
    197,933.20/297,130.20 = 119,136.40/x
  3. Step 3: Cross multiply
    197,933.20x = 297,130.20 × 119,136.40
  4. Step 4: Simplify right side
    197,933.20x = 35,399,022,359.28
  5. Step 5: Solve for x
    x = 35,399,022,359.28/197,933.20
  6. Step 6: Final answer
    x = 178,843.28

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1.5x scale

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.