Home / 199,964.03-275,949.65-109,319.90

Finding the Fourth Proportional to 199,964.03, 275,949.65 and 109,319.90

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Solution

The fourth proportional to 199,964.03, 275,949.65 and 109,319.90 is: 150,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,964.03 : 275,949.65 = 109,319.90 : x
  2. Step 2: Convert to fraction form
    199,964.03/275,949.65 = 109,319.90/x
  3. Step 3: Cross multiply
    199,964.03x = 275,949.65 × 109,319.90
  4. Step 4: Simplify right side
    199,964.03x = 30,166,787,036.59
  5. Step 5: Solve for x
    x = 30,166,787,036.59/199,964.03
  6. Step 6: Final answer
    x = 150,861.07

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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.