Home / 196,847.28-295,252.20-78,486.96

Finding the Fourth Proportional to 196,847.28, 295,252.20 and 78,486.96

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Solution

The fourth proportional to 196,847.28, 295,252.20 and 78,486.96 is: 117,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,847.28 : 295,252.20 = 78,486.96 : x
  2. Step 2: Convert to fraction form
    196,847.28/295,252.20 = 78,486.96/x
  3. Step 3: Cross multiply
    196,847.28x = 295,252.20 × 78,486.96
  4. Step 4: Simplify right side
    196,847.28x = 23,173,447,611.31
  5. Step 5: Solve for x
    x = 23,173,447,611.31/196,847.28
  6. Step 6: Final answer
    x = 117,722.98

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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.