Home / 184,789.80-255,009.78-99,906.12

Finding the Fourth Proportional to 184,789.80, 255,009.78 and 99,906.12

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Solution

The fourth proportional to 184,789.80, 255,009.78 and 99,906.12 is: 137,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,789.80 : 255,009.78 = 99,906.12 : x
  2. Step 2: Convert to fraction form
    184,789.80/255,009.78 = 99,906.12/x
  3. Step 3: Cross multiply
    184,789.80x = 255,009.78 × 99,906.12
  4. Step 4: Simplify right side
    184,789.80x = 25,477,037,681.85
  5. Step 5: Solve for x
    x = 25,477,037,681.85/184,789.80
  6. Step 6: Final answer
    x = 137,870.37

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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.