Home / 259,034.69-388,573.91-72,046.19

Finding the Fourth Proportional to 259,034.69, 388,573.91 and 72,046.19

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Solution

The fourth proportional to 259,034.69, 388,573.91 and 72,046.19 is: 108,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,034.69 : 388,573.91 = 72,046.19 : x
  2. Step 2: Convert to fraction form
    259,034.69/388,573.91 = 72,046.19/x
  3. Step 3: Cross multiply
    259,034.69x = 388,573.91 × 72,046.19
  4. Step 4: Simplify right side
    259,034.69x = 27,995,269,748.90
  5. Step 5: Solve for x
    x = 27,995,269,748.90/259,034.69
  6. Step 6: Final answer
    x = 108,075.37

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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.