Home / 185,408.20-278,112.30-60,749.20

Finding the Fourth Proportional to 185,408.20, 278,112.30 and 60,749.20

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Solution

The fourth proportional to 185,408.20, 278,112.30 and 60,749.20 is: 91,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,408.20 : 278,112.30 = 60,749.20 : x
  2. Step 2: Convert to fraction form
    185,408.20/278,112.30 = 60,749.20/x
  3. Step 3: Cross multiply
    185,408.20x = 278,112.30 × 60,749.20
  4. Step 4: Simplify right side
    185,408.20x = 16,895,099,735.16
  5. Step 5: Solve for x
    x = 16,895,099,735.16/185,408.20
  6. Step 6: Final answer
    x = 91,123.80

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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.