Home / 199,659.32-275,527.77-109,015.01

Finding the Fourth Proportional to 199,659.32, 275,527.77 and 109,015.01

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Solution

The fourth proportional to 199,659.32, 275,527.77 and 109,015.01 is: 150,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,659.32 : 275,527.77 = 109,015.01 : x
  2. Step 2: Convert to fraction form
    199,659.32/275,527.77 = 109,015.01/x
  3. Step 3: Cross multiply
    199,659.32x = 275,527.77 × 109,015.01
  4. Step 4: Simplify right side
    199,659.32x = 30,036,661,840.20
  5. Step 5: Solve for x
    x = 30,036,661,840.20/199,659.32
  6. Step 6: Final answer
    x = 150,439.57

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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.