Home / 199,660.65-275,529.58-109,016.32

Finding the Fourth Proportional to 199,660.65, 275,529.58 and 109,016.32

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Solution

The fourth proportional to 199,660.65, 275,529.58 and 109,016.32 is: 150,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,660.65 : 275,529.58 = 109,016.32 : x
  2. Step 2: Convert to fraction form
    199,660.65/275,529.58 = 109,016.32/x
  3. Step 3: Cross multiply
    199,660.65x = 275,529.58 × 109,016.32
  4. Step 4: Simplify right side
    199,660.65x = 30,037,220,862.75
  5. Step 5: Solve for x
    x = 30,037,220,862.75/199,660.65
  6. Step 6: Final answer
    x = 150,441.37

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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.