Home / 199,666.40-275,538.24-109,022.31

Finding the Fourth Proportional to 199,666.40, 275,538.24 and 109,022.31

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Solution

The fourth proportional to 199,666.40, 275,538.24 and 109,022.31 is: 150,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,666.40 : 275,538.24 = 109,022.31 : x
  2. Step 2: Convert to fraction form
    199,666.40/275,538.24 = 109,022.31/x
  3. Step 3: Cross multiply
    199,666.40x = 275,538.24 × 109,022.31
  4. Step 4: Simplify right side
    199,666.40x = 30,039,815,418.13
  5. Step 5: Solve for x
    x = 30,039,815,418.13/199,666.40
  6. Step 6: Final answer
    x = 150,450.03

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1.5x scale

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.