Home / 199,923.84-275,889.78-109,280.04

Finding the Fourth Proportional to 199,923.84, 275,889.78 and 109,280.04

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Solution

The fourth proportional to 199,923.84, 275,889.78 and 109,280.04 is: 150,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,923.84 : 275,889.78 = 109,280.04 : x
  2. Step 2: Convert to fraction form
    199,923.84/275,889.78 = 109,280.04/x
  3. Step 3: Cross multiply
    199,923.84x = 275,889.78 × 109,280.04
  4. Step 4: Simplify right side
    199,923.84x = 30,149,246,193.99
  5. Step 5: Solve for x
    x = 30,149,246,193.99/199,923.84
  6. Step 6: Final answer
    x = 150,803.66

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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.