Home / 199,900.19-275,857.58-109,256.73

Finding the Fourth Proportional to 199,900.19, 275,857.58 and 109,256.73

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Solution

The fourth proportional to 199,900.19, 275,857.58 and 109,256.73 is: 150,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,900.19 : 275,857.58 = 109,256.73 : x
  2. Step 2: Convert to fraction form
    199,900.19/275,857.58 = 109,256.73/x
  3. Step 3: Cross multiply
    199,900.19x = 275,857.58 × 109,256.73
  4. Step 4: Simplify right side
    199,900.19x = 30,139,296,590.23
  5. Step 5: Solve for x
    x = 30,139,296,590.23/199,900.19
  6. Step 6: Final answer
    x = 150,771.73

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1.5x scale

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.