Home / 199,830.54-275,757.42-109,182.24

Finding the Fourth Proportional to 199,830.54, 275,757.42 and 109,182.24

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Solution

The fourth proportional to 199,830.54, 275,757.42 and 109,182.24 is: 150,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,830.54 : 275,757.42 = 109,182.24 : x
  2. Step 2: Convert to fraction form
    199,830.54/275,757.42 = 109,182.24/x
  3. Step 3: Cross multiply
    199,830.54x = 275,757.42 × 109,182.24
  4. Step 4: Simplify right side
    199,830.54x = 30,107,812,812.22
  5. Step 5: Solve for x
    x = 30,107,812,812.22/199,830.54
  6. Step 6: Final answer
    x = 150,666.72

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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.