Home / 199,742.46-275,643.20-109,098.45

Finding the Fourth Proportional to 199,742.46, 275,643.20 and 109,098.45

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Solution

The fourth proportional to 199,742.46, 275,643.20 and 109,098.45 is: 150,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,742.46 : 275,643.20 = 109,098.45 : x
  2. Step 2: Convert to fraction form
    199,742.46/275,643.20 = 109,098.45/x
  3. Step 3: Cross multiply
    199,742.46x = 275,643.20 × 109,098.45
  4. Step 4: Simplify right side
    199,742.46x = 30,072,245,327.55
  5. Step 5: Solve for x
    x = 30,072,245,327.55/199,742.46
  6. Step 6: Final answer
    x = 150,555.10

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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.