Home / 184,989.54-255,286.20-100,106.58

Finding the Fourth Proportional to 184,989.54, 255,286.20 and 100,106.58

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Solution

The fourth proportional to 184,989.54, 255,286.20 and 100,106.58 is: 138,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,989.54 : 255,286.20 = 100,106.58 : x
  2. Step 2: Convert to fraction form
    184,989.54/255,286.20 = 100,106.58/x
  3. Step 3: Cross multiply
    184,989.54x = 255,286.20 × 100,106.58
  4. Step 4: Simplify right side
    184,989.54x = 25,555,828,403.20
  5. Step 5: Solve for x
    x = 25,555,828,403.20/184,989.54
  6. Step 6: Final answer
    x = 138,147.42

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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.