Home / 184,795.74-255,017.55-99,912.78

Finding the Fourth Proportional to 184,795.74, 255,017.55 and 99,912.78

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Solution

The fourth proportional to 184,795.74, 255,017.55 and 99,912.78 is: 137,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,795.74 : 255,017.55 = 99,912.78 : x
  2. Step 2: Convert to fraction form
    184,795.74/255,017.55 = 99,912.78/x
  3. Step 3: Cross multiply
    184,795.74x = 255,017.55 × 99,912.78
  4. Step 4: Simplify right side
    184,795.74x = 25,479,512,369.29
  5. Step 5: Solve for x
    x = 25,479,512,369.29/184,795.74
  6. Step 6: Final answer
    x = 137,879.33

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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.