Home / 165,408.45-247,620.60-98,814.30

Finding the Fourth Proportional to 165,408.45, 247,620.60 and 98,814.30

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Solution

The fourth proportional to 165,408.45, 247,620.60 and 98,814.30 is: 147,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,408.45 : 247,620.60 = 98,814.30 : x
  2. Step 2: Convert to fraction form
    165,408.45/247,620.60 = 98,814.30/x
  3. Step 3: Cross multiply
    165,408.45x = 247,620.60 × 98,814.30
  4. Step 4: Simplify right side
    165,408.45x = 24,468,456,254.58
  5. Step 5: Solve for x
    x = 24,468,456,254.58/165,408.45
  6. Step 6: Final answer
    x = 147,927.49

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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.