Home / 321,810.77-444,069.43-190,965.87

Finding the Fourth Proportional to 321,810.77, 444,069.43 and 190,965.87

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Solution

The fourth proportional to 321,810.77, 444,069.43 and 190,965.87 is: 263,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,810.77 : 444,069.43 = 190,965.87 : x
  2. Step 2: Convert to fraction form
    321,810.77/444,069.43 = 190,965.87/x
  3. Step 3: Cross multiply
    321,810.77x = 444,069.43 × 190,965.87
  4. Step 4: Simplify right side
    321,810.77x = 84,802,104,562.94
  5. Step 5: Solve for x
    x = 84,802,104,562.94/321,810.77
  6. Step 6: Final answer
    x = 263,515.43

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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.