Home / 196,207.20-294,310.80-77,817.60

Finding the Fourth Proportional to 196,207.20, 294,310.80 and 77,817.60

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Solution

The fourth proportional to 196,207.20, 294,310.80 and 77,817.60 is: 116,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,207.20 : 294,310.80 = 77,817.60 : x
  2. Step 2: Convert to fraction form
    196,207.20/294,310.80 = 77,817.60/x
  3. Step 3: Cross multiply
    196,207.20x = 294,310.80 × 77,817.60
  4. Step 4: Simplify right side
    196,207.20x = 22,902,560,110.08
  5. Step 5: Solve for x
    x = 22,902,560,110.08/196,207.20
  6. Step 6: Final answer
    x = 116,726.40

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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.