Home / 184,027.40-276,105.90-78,878.60

Finding the Fourth Proportional to 184,027.40, 276,105.90 and 78,878.60

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Solution

The fourth proportional to 184,027.40, 276,105.90 and 78,878.60 is: 118,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,027.40 : 276,105.90 = 78,878.60 : x
  2. Step 2: Convert to fraction form
    184,027.40/276,105.90 = 78,878.60/x
  3. Step 3: Cross multiply
    184,027.40x = 276,105.90 × 78,878.60
  4. Step 4: Simplify right side
    184,027.40x = 21,778,846,843.74
  5. Step 5: Solve for x
    x = 21,778,846,843.74/184,027.40
  6. Step 6: Final answer
    x = 118,345.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.