Home / 188,021.34-259,467.03-107,447.94

Finding the Fourth Proportional to 188,021.34, 259,467.03 and 107,447.94

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Solution

The fourth proportional to 188,021.34, 259,467.03 and 107,447.94 is: 148,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,021.34 : 259,467.03 = 107,447.94 : x
  2. Step 2: Convert to fraction form
    188,021.34/259,467.03 = 107,447.94/x
  3. Step 3: Cross multiply
    188,021.34x = 259,467.03 × 107,447.94
  4. Step 4: Simplify right side
    188,021.34x = 27,879,197,871.42
  5. Step 5: Solve for x
    x = 27,879,197,871.42/188,021.34
  6. Step 6: Final answer
    x = 148,276.77

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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.