Home / 196,823.20-295,234.80-126,781.60

Finding the Fourth Proportional to 196,823.20, 295,234.80 and 126,781.60

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Solution

The fourth proportional to 196,823.20, 295,234.80 and 126,781.60 is: 190,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,823.20 : 295,234.80 = 126,781.60 : x
  2. Step 2: Convert to fraction form
    196,823.20/295,234.80 = 126,781.60/x
  3. Step 3: Cross multiply
    196,823.20x = 295,234.80 × 126,781.60
  4. Step 4: Simplify right side
    196,823.20x = 37,430,340,319.68
  5. Step 5: Solve for x
    x = 37,430,340,319.68/196,823.20
  6. Step 6: Final answer
    x = 190,172.40

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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.