Home / 184,986.75-255,281.94-100,103.82

Finding the Fourth Proportional to 184,986.75, 255,281.94 and 100,103.82

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Solution

The fourth proportional to 184,986.75, 255,281.94 and 100,103.82 is: 138,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,986.75 : 255,281.94 = 100,103.82 : x
  2. Step 2: Convert to fraction form
    184,986.75/255,281.94 = 100,103.82/x
  3. Step 3: Cross multiply
    184,986.75x = 255,281.94 × 100,103.82
  4. Step 4: Simplify right side
    184,986.75x = 25,554,697,371.01
  5. Step 5: Solve for x
    x = 25,554,697,371.01/184,986.75
  6. Step 6: Final answer
    x = 138,143.39

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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.