Home / 196,512.06-294,830.40-70,149.60

Finding the Fourth Proportional to 196,512.06, 294,830.40 and 70,149.60

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Solution

The fourth proportional to 196,512.06, 294,830.40 and 70,149.60 is: 105,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,512.06 : 294,830.40 = 70,149.60 : x
  2. Step 2: Convert to fraction form
    196,512.06/294,830.40 = 70,149.60/x
  3. Step 3: Cross multiply
    196,512.06x = 294,830.40 × 70,149.60
  4. Step 4: Simplify right side
    196,512.06x = 20,682,234,627.84
  5. Step 5: Solve for x
    x = 20,682,234,627.84/196,512.06
  6. Step 6: Final answer
    x = 105,246.64

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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.