Home / 184,984.47-255,280.39-100,103.35

Finding the Fourth Proportional to 184,984.47, 255,280.39 and 100,103.35

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Solution

The fourth proportional to 184,984.47, 255,280.39 and 100,103.35 is: 138,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,984.47 : 255,280.39 = 100,103.35 : x
  2. Step 2: Convert to fraction form
    184,984.47/255,280.39 = 100,103.35/x
  3. Step 3: Cross multiply
    184,984.47x = 255,280.39 × 100,103.35
  4. Step 4: Simplify right side
    184,984.47x = 25,554,423,185.61
  5. Step 5: Solve for x
    x = 25,554,423,185.61/184,984.47
  6. Step 6: Final answer
    x = 138,143.61

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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.