Home / 199,666.40-275,537.52-109,022.08

Finding the Fourth Proportional to 199,666.40, 275,537.52 and 109,022.08

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Solution

The fourth proportional to 199,666.40, 275,537.52 and 109,022.08 is: 150,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,666.40 : 275,537.52 = 109,022.08 : x
  2. Step 2: Convert to fraction form
    199,666.40/275,537.52 = 109,022.08/x
  3. Step 3: Cross multiply
    199,666.40x = 275,537.52 × 109,022.08
  4. Step 4: Simplify right side
    199,666.40x = 30,039,673,548.44
  5. Step 5: Solve for x
    x = 30,039,673,548.44/199,666.40
  6. Step 6: Final answer
    x = 150,449.32

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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.