Home / 199,916.08-275,883.96-109,272.64

Finding the Fourth Proportional to 199,916.08, 275,883.96 and 109,272.64

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Solution

The fourth proportional to 199,916.08, 275,883.96 and 109,272.64 is: 150,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,916.08 : 275,883.96 = 109,272.64 : x
  2. Step 2: Convert to fraction form
    199,916.08/275,883.96 = 109,272.64/x
  3. Step 3: Cross multiply
    199,916.08x = 275,883.96 × 109,272.64
  4. Step 4: Simplify right side
    199,916.08x = 30,146,568,642.85
  5. Step 5: Solve for x
    x = 30,146,568,642.85/199,916.08
  6. Step 6: Final answer
    x = 150,796.12

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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.