Home / 199,783.44-275,688.96-109,121.04

Finding the Fourth Proportional to 199,783.44, 275,688.96 and 109,121.04

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Solution

The fourth proportional to 199,783.44, 275,688.96 and 109,121.04 is: 150,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,783.44 : 275,688.96 = 109,121.04 : x
  2. Step 2: Convert to fraction form
    199,783.44/275,688.96 = 109,121.04/x
  3. Step 3: Cross multiply
    199,783.44x = 275,688.96 × 109,121.04
  4. Step 4: Simplify right side
    199,783.44x = 30,083,466,031.72
  5. Step 5: Solve for x
    x = 30,083,466,031.72/199,783.44
  6. Step 6: Final answer
    x = 150,580.38

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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.