Home / 199,764.60-275,664.60-109,119.25

Finding the Fourth Proportional to 199,764.60, 275,664.60 and 109,119.25

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Solution

The fourth proportional to 199,764.60, 275,664.60 and 109,119.25 is: 150,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,764.60 : 275,664.60 = 109,119.25 : x
  2. Step 2: Convert to fraction form
    199,764.60/275,664.60 = 109,119.25/x
  3. Step 3: Cross multiply
    199,764.60x = 275,664.60 × 109,119.25
  4. Step 4: Simplify right side
    199,764.60x = 30,080,314,748.13
  5. Step 5: Solve for x
    x = 30,080,314,748.13/199,764.60
  6. Step 6: Final answer
    x = 150,578.81

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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.