Home / 339,996.24-469,211.40-189,090

Finding the Fourth Proportional to 339,996.24, 469,211.40 and 189,090

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Solution

The fourth proportional to 339,996.24, 469,211.40 and 189,090 is: 260,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,996.24 : 469,211.40 = 189,090 : x
  2. Step 2: Convert to fraction form
    339,996.24/469,211.40 = 189,090/x
  3. Step 3: Cross multiply
    339,996.24x = 469,211.40 × 189,090
  4. Step 4: Simplify right side
    339,996.24x = 88,723,183,626
  5. Step 5: Solve for x
    x = 88,723,183,626/339,996.24
  6. Step 6: Final answer
    x = 260,953.43

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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.