Home / 197,110.80-295,666.20-91,940.40

Finding the Fourth Proportional to 197,110.80, 295,666.20 and 91,940.40

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Solution

The fourth proportional to 197,110.80, 295,666.20 and 91,940.40 is: 137,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,110.80 : 295,666.20 = 91,940.40 : x
  2. Step 2: Convert to fraction form
    197,110.80/295,666.20 = 91,940.40/x
  3. Step 3: Cross multiply
    197,110.80x = 295,666.20 × 91,940.40
  4. Step 4: Simplify right side
    197,110.80x = 27,183,668,694.48
  5. Step 5: Solve for x
    x = 27,183,668,694.48/197,110.80
  6. Step 6: Final answer
    x = 137,910.60

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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.