Home / 196,237.20-294,355.80-77,847.60

Finding the Fourth Proportional to 196,237.20, 294,355.80 and 77,847.60

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Solution

The fourth proportional to 196,237.20, 294,355.80 and 77,847.60 is: 116,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237.20 : 294,355.80 = 77,847.60 : x
  2. Step 2: Convert to fraction form
    196,237.20/294,355.80 = 77,847.60/x
  3. Step 3: Cross multiply
    196,237.20x = 294,355.80 × 77,847.60
  4. Step 4: Simplify right side
    196,237.20x = 22,914,892,576.08
  5. Step 5: Solve for x
    x = 22,914,892,576.08/196,237.20
  6. Step 6: Final answer
    x = 116,771.40

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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.