Home / 196,915.20-295,401.60-63,772.80

Finding the Fourth Proportional to 196,915.20, 295,401.60 and 63,772.80

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Solution

The fourth proportional to 196,915.20, 295,401.60 and 63,772.80 is: 95,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,915.20 : 295,401.60 = 63,772.80 : x
  2. Step 2: Convert to fraction form
    196,915.20/295,401.60 = 63,772.80/x
  3. Step 3: Cross multiply
    196,915.20x = 295,401.60 × 63,772.80
  4. Step 4: Simplify right side
    196,915.20x = 18,838,587,156.48
  5. Step 5: Solve for x
    x = 18,838,587,156.48/196,915.20
  6. Step 6: Final answer
    x = 95,668.53

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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.