Home / 211,650.86-317,506.05-61,902.38

Finding the Fourth Proportional to 211,650.86, 317,506.05 and 61,902.38

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Solution

The fourth proportional to 211,650.86, 317,506.05 and 61,902.38 is: 92,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,650.86 : 317,506.05 = 61,902.38 : x
  2. Step 2: Convert to fraction form
    211,650.86/317,506.05 = 61,902.38/x
  3. Step 3: Cross multiply
    211,650.86x = 317,506.05 × 61,902.38
  4. Step 4: Simplify right side
    211,650.86x = 19,654,378,571.87
  5. Step 5: Solve for x
    x = 19,654,378,571.87/211,650.86
  6. Step 6: Final answer
    x = 92,862.27

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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.