Home / 246,112.68-339,636.48-138,684.36

Finding the Fourth Proportional to 246,112.68, 339,636.48 and 138,684.36

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Solution

The fourth proportional to 246,112.68, 339,636.48 and 138,684.36 is: 191,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,112.68 : 339,636.48 = 138,684.36 : x
  2. Step 2: Convert to fraction form
    246,112.68/339,636.48 = 138,684.36/x
  3. Step 3: Cross multiply
    246,112.68x = 339,636.48 × 138,684.36
  4. Step 4: Simplify right side
    246,112.68x = 47,102,267,861.45
  5. Step 5: Solve for x
    x = 47,102,267,861.45/246,112.68
  6. Step 6: Final answer
    x = 191,384.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.