Home / 196,811.10-295,245.45-103,323.90

Finding the Fourth Proportional to 196,811.10, 295,245.45 and 103,323.90

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Solution

The fourth proportional to 196,811.10, 295,245.45 and 103,323.90 is: 155,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,811.10 : 295,245.45 = 103,323.90 : x
  2. Step 2: Convert to fraction form
    196,811.10/295,245.45 = 103,323.90/x
  3. Step 3: Cross multiply
    196,811.10x = 295,245.45 × 103,323.90
  4. Step 4: Simplify right side
    196,811.10x = 30,505,911,351.26
  5. Step 5: Solve for x
    x = 30,505,911,351.26/196,811.10
  6. Step 6: Final answer
    x = 155,000.97

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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.