Home / 199,941.37-275,918.45-109,297.36

Finding the Fourth Proportional to 199,941.37, 275,918.45 and 109,297.36

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Solution

The fourth proportional to 199,941.37, 275,918.45 and 109,297.36 is: 150,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,941.37 : 275,918.45 = 109,297.36 : x
  2. Step 2: Convert to fraction form
    199,941.37/275,918.45 = 109,297.36/x
  3. Step 3: Cross multiply
    199,941.37x = 275,918.45 × 109,297.36
  4. Step 4: Simplify right side
    199,941.37x = 30,157,157,743.74
  5. Step 5: Solve for x
    x = 30,157,157,743.74/199,941.37
  6. Step 6: Final answer
    x = 150,830.01

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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.