Home / 339,821.28-468,943.45-186,859.31

Finding the Fourth Proportional to 339,821.28, 468,943.45 and 186,859.31

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Solution

The fourth proportional to 339,821.28, 468,943.45 and 186,859.31 is: 257,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,821.28 : 468,943.45 = 186,859.31 : x
  2. Step 2: Convert to fraction form
    339,821.28/468,943.45 = 186,859.31/x
  3. Step 3: Cross multiply
    339,821.28x = 468,943.45 × 186,859.31
  4. Step 4: Simplify right side
    339,821.28x = 87,626,446,217.01
  5. Step 5: Solve for x
    x = 87,626,446,217.01/339,821.28
  6. Step 6: Final answer
    x = 257,860.39

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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.