Home / 204,848.79-307,262.24-78,549.54

Finding the Fourth Proportional to 204,848.79, 307,262.24 and 78,549.54

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Solution

The fourth proportional to 204,848.79, 307,262.24 and 78,549.54 is: 117,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,848.79 : 307,262.24 = 78,549.54 : x
  2. Step 2: Convert to fraction form
    204,848.79/307,262.24 = 78,549.54/x
  3. Step 3: Cross multiply
    204,848.79x = 307,262.24 × 78,549.54
  4. Step 4: Simplify right side
    204,848.79x = 24,135,307,611.37
  5. Step 5: Solve for x
    x = 24,135,307,611.37/204,848.79
  6. Step 6: Final answer
    x = 117,820.11

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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.