Home / 211,195.92-316,795.20-51,271.44

Finding the Fourth Proportional to 211,195.92, 316,795.20 and 51,271.44

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Solution

The fourth proportional to 211,195.92, 316,795.20 and 51,271.44 is: 76,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,195.92 : 316,795.20 = 51,271.44 : x
  2. Step 2: Convert to fraction form
    211,195.92/316,795.20 = 51,271.44/x
  3. Step 3: Cross multiply
    211,195.92x = 316,795.20 × 51,271.44
  4. Step 4: Simplify right side
    211,195.92x = 16,242,546,089.09
  5. Step 5: Solve for x
    x = 16,242,546,089.09/211,195.92
  6. Step 6: Final answer
    x = 76,907.48

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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.