Home / 204,075.06-306,216.27-91,732.65

Finding the Fourth Proportional to 204,075.06, 306,216.27 and 91,732.65

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Solution

The fourth proportional to 204,075.06, 306,216.27 and 91,732.65 is: 137,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,075.06 : 306,216.27 = 91,732.65 : x
  2. Step 2: Convert to fraction form
    204,075.06/306,216.27 = 91,732.65/x
  3. Step 3: Cross multiply
    204,075.06x = 306,216.27 × 91,732.65
  4. Step 4: Simplify right side
    204,075.06x = 28,090,029,920.22
  5. Step 5: Solve for x
    x = 28,090,029,920.22/204,075.06
  6. Step 6: Final answer
    x = 137,645.58

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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.