Home / 400,029.13-599,976.51-133,789.24

Finding the Fourth Proportional to 400,029.13, 599,976.51 and 133,789.24

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Solution

The fourth proportional to 400,029.13, 599,976.51 and 133,789.24 is: 200,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,029.13 : 599,976.51 = 133,789.24 : x
  2. Step 2: Convert to fraction form
    400,029.13/599,976.51 = 133,789.24/x
  3. Step 3: Cross multiply
    400,029.13x = 599,976.51 × 133,789.24
  4. Step 4: Simplify right side
    400,029.13x = 80,270,401,290.75
  5. Step 5: Solve for x
    x = 80,270,401,290.75/400,029.13
  6. Step 6: Final answer
    x = 200,661.39

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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.