Home / 199,924.70-275,902.46-109,278.68

Finding the Fourth Proportional to 199,924.70, 275,902.46 and 109,278.68

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Solution

The fourth proportional to 199,924.70, 275,902.46 and 109,278.68 is: 150,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,924.70 : 275,902.46 = 109,278.68 : x
  2. Step 2: Convert to fraction form
    199,924.70/275,902.46 = 109,278.68/x
  3. Step 3: Cross multiply
    199,924.70x = 275,902.46 × 109,278.68
  4. Step 4: Simplify right side
    199,924.70x = 30,150,256,637.55
  5. Step 5: Solve for x
    x = 30,150,256,637.55/199,924.70
  6. Step 6: Final answer
    x = 150,808.06

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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.