Home / 199,554.48-275,382.72-108,911.88

Finding the Fourth Proportional to 199,554.48, 275,382.72 and 108,911.88

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Solution

The fourth proportional to 199,554.48, 275,382.72 and 108,911.88 is: 150,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,554.48 : 275,382.72 = 108,911.88 : x
  2. Step 2: Convert to fraction form
    199,554.48/275,382.72 = 108,911.88/x
  3. Step 3: Cross multiply
    199,554.48x = 275,382.72 × 108,911.88
  4. Step 4: Simplify right side
    199,554.48x = 29,992,449,754.71
  5. Step 5: Solve for x
    x = 29,992,449,754.71/199,554.48
  6. Step 6: Final answer
    x = 150,297.05

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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.