Home / 199,326.72-275,064.86-108,684.43

Finding the Fourth Proportional to 199,326.72, 275,064.86 and 108,684.43

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Solution

The fourth proportional to 199,326.72, 275,064.86 and 108,684.43 is: 149,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.72 : 275,064.86 = 108,684.43 : x
  2. Step 2: Convert to fraction form
    199,326.72/275,064.86 = 108,684.43/x
  3. Step 3: Cross multiply
    199,326.72x = 275,064.86 × 108,684.43
  4. Step 4: Simplify right side
    199,326.72x = 29,895,268,653.42
  5. Step 5: Solve for x
    x = 29,895,268,653.42/199,326.72
  6. Step 6: Final answer
    x = 149,981.24

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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.