Home / 196,609.20-294,915.44-121,946.64

Finding the Fourth Proportional to 196,609.20, 294,915.44 and 121,946.64

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Solution

The fourth proportional to 196,609.20, 294,915.44 and 121,946.64 is: 182,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,609.20 : 294,915.44 = 121,946.64 : x
  2. Step 2: Convert to fraction form
    196,609.20/294,915.44 = 121,946.64/x
  3. Step 3: Cross multiply
    196,609.20x = 294,915.44 × 121,946.64
  4. Step 4: Simplify right side
    196,609.20x = 35,963,946,992.12
  5. Step 5: Solve for x
    x = 35,963,946,992.12/196,609.20
  6. Step 6: Final answer
    x = 182,920.98

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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.