Home / 173,267.82-259,653.87-78,262.11

Finding the Fourth Proportional to 173,267.82, 259,653.87 and 78,262.11

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Solution

The fourth proportional to 173,267.82, 259,653.87 and 78,262.11 is: 117,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,267.82 : 259,653.87 = 78,262.11 : x
  2. Step 2: Convert to fraction form
    173,267.82/259,653.87 = 78,262.11/x
  3. Step 3: Cross multiply
    173,267.82x = 259,653.87 × 78,262.11
  4. Step 4: Simplify right side
    173,267.82x = 20,321,059,735.87
  5. Step 5: Solve for x
    x = 20,321,059,735.87/173,267.82
  6. Step 6: Final answer
    x = 117,281.21

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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.