Home / 199,867.55-275,808.96-109,226.52

Finding the Fourth Proportional to 199,867.55, 275,808.96 and 109,226.52

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Solution

The fourth proportional to 199,867.55, 275,808.96 and 109,226.52 is: 150,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,867.55 : 275,808.96 = 109,226.52 : x
  2. Step 2: Convert to fraction form
    199,867.55/275,808.96 = 109,226.52/x
  3. Step 3: Cross multiply
    199,867.55x = 275,808.96 × 109,226.52
  4. Step 4: Simplify right side
    199,867.55x = 30,125,652,885.62
  5. Step 5: Solve for x
    x = 30,125,652,885.62/199,867.55
  6. Step 6: Final answer
    x = 150,728.09

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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.