Home / 204,021.62-306,081.63-70,882.50

Finding the Fourth Proportional to 204,021.62, 306,081.63 and 70,882.50

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Solution

The fourth proportional to 204,021.62, 306,081.63 and 70,882.50 is: 106,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,021.62 : 306,081.63 = 70,882.50 : x
  2. Step 2: Convert to fraction form
    204,021.62/306,081.63 = 70,882.50/x
  3. Step 3: Cross multiply
    204,021.62x = 306,081.63 × 70,882.50
  4. Step 4: Simplify right side
    204,021.62x = 21,695,831,138.48
  5. Step 5: Solve for x
    x = 21,695,831,138.48/204,021.62
  6. Step 6: Final answer
    x = 106,340.84

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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.