Home / 196,913.60-295,516.20-130,331.60

Finding the Fourth Proportional to 196,913.60, 295,516.20 and 130,331.60

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Solution

The fourth proportional to 196,913.60, 295,516.20 and 130,331.60 is: 195,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,913.60 : 295,516.20 = 130,331.60 : x
  2. Step 2: Convert to fraction form
    196,913.60/295,516.20 = 130,331.60/x
  3. Step 3: Cross multiply
    196,913.60x = 295,516.20 × 130,331.60
  4. Step 4: Simplify right side
    196,913.60x = 38,515,099,171.92
  5. Step 5: Solve for x
    x = 38,515,099,171.92/196,913.60
  6. Step 6: Final answer
    x = 195,593.90

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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.