Home / 199,659.39-275,527.86-109,015.07

Finding the Fourth Proportional to 199,659.39, 275,527.86 and 109,015.07

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Solution

The fourth proportional to 199,659.39, 275,527.86 and 109,015.07 is: 150,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,659.39 : 275,527.86 = 109,015.07 : x
  2. Step 2: Convert to fraction form
    199,659.39/275,527.86 = 109,015.07/x
  3. Step 3: Cross multiply
    199,659.39x = 275,527.86 × 109,015.07
  4. Step 4: Simplify right side
    199,659.39x = 30,036,688,944.85
  5. Step 5: Solve for x
    x = 30,036,688,944.85/199,659.39
  6. Step 6: Final answer
    x = 150,439.65

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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.