Home / 204,102.28-306,156.54-77,749.54

Finding the Fourth Proportional to 204,102.28, 306,156.54 and 77,749.54

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Solution

The fourth proportional to 204,102.28, 306,156.54 and 77,749.54 is: 116,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,102.28 : 306,156.54 = 77,749.54 : x
  2. Step 2: Convert to fraction form
    204,102.28/306,156.54 = 77,749.54/x
  3. Step 3: Cross multiply
    204,102.28x = 306,156.54 × 77,749.54
  4. Step 4: Simplify right side
    204,102.28x = 23,803,530,152.99
  5. Step 5: Solve for x
    x = 23,803,530,152.99/204,102.28
  6. Step 6: Final answer
    x = 116,625.50

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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.