Home / 184,983.75-255,277.80-100,100.81

Finding the Fourth Proportional to 184,983.75, 255,277.80 and 100,100.81

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Solution

The fourth proportional to 184,983.75, 255,277.80 and 100,100.81 is: 138,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,983.75 : 255,277.80 = 100,100.81 : x
  2. Step 2: Convert to fraction form
    184,983.75/255,277.80 = 100,100.81/x
  3. Step 3: Cross multiply
    184,983.75x = 255,277.80 × 100,100.81
  4. Step 4: Simplify right side
    184,983.75x = 25,553,515,474.75
  5. Step 5: Solve for x
    x = 25,553,515,474.75/184,983.75
  6. Step 6: Final answer
    x = 138,139.24

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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.