Home / 196,540.20-294,810.30-194,790.60

Finding the Fourth Proportional to 196,540.20, 294,810.30 and 194,790.60

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Solution

The fourth proportional to 196,540.20, 294,810.30 and 194,790.60 is: 292,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,540.20 : 294,810.30 = 194,790.60 : x
  2. Step 2: Convert to fraction form
    196,540.20/294,810.30 = 194,790.60/x
  3. Step 3: Cross multiply
    196,540.20x = 294,810.30 × 194,790.60
  4. Step 4: Simplify right side
    196,540.20x = 57,426,275,223.18
  5. Step 5: Solve for x
    x = 57,426,275,223.18/196,540.20
  6. Step 6: Final answer
    x = 292,185.90

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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.