Home / 184,988.75-255,286.31-100,107.64

Finding the Fourth Proportional to 184,988.75, 255,286.31 and 100,107.64

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Solution

The fourth proportional to 184,988.75, 255,286.31 and 100,107.64 is: 138,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,988.75 : 255,286.31 = 100,107.64 : x
  2. Step 2: Convert to fraction form
    184,988.75/255,286.31 = 100,107.64/x
  3. Step 3: Cross multiply
    184,988.75x = 255,286.31 × 100,107.64
  4. Step 4: Simplify right side
    184,988.75x = 25,556,110,018.41
  5. Step 5: Solve for x
    x = 25,556,110,018.41/184,988.75
  6. Step 6: Final answer
    x = 138,149.54

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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.