Home / 199,639.37-275,506.22-108,995.56

Finding the Fourth Proportional to 199,639.37, 275,506.22 and 108,995.56

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Solution

The fourth proportional to 199,639.37, 275,506.22 and 108,995.56 is: 150,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,639.37 : 275,506.22 = 108,995.56 : x
  2. Step 2: Convert to fraction form
    199,639.37/275,506.22 = 108,995.56/x
  3. Step 3: Cross multiply
    199,639.37x = 275,506.22 × 108,995.56
  4. Step 4: Simplify right side
    199,639.37x = 30,028,955,421.15
  5. Step 5: Solve for x
    x = 30,028,955,421.15/199,639.37
  6. Step 6: Final answer
    x = 150,416.00

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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.