Home / 184,025.40-276,102.90-78,876.60

Finding the Fourth Proportional to 184,025.40, 276,102.90 and 78,876.60

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Solution

The fourth proportional to 184,025.40, 276,102.90 and 78,876.60 is: 118,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,025.40 : 276,102.90 = 78,876.60 : x
  2. Step 2: Convert to fraction form
    184,025.40/276,102.90 = 78,876.60/x
  3. Step 3: Cross multiply
    184,025.40x = 276,102.90 × 78,876.60
  4. Step 4: Simplify right side
    184,025.40x = 21,778,058,002.14
  5. Step 5: Solve for x
    x = 21,778,058,002.14/184,025.40
  6. Step 6: Final answer
    x = 118,342.67

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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.