Home / 204,031.40-306,022.74-54,282.68

Finding the Fourth Proportional to 204,031.40, 306,022.74 and 54,282.68

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Solution

The fourth proportional to 204,031.40, 306,022.74 and 54,282.68 is: 81,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,031.40 : 306,022.74 = 54,282.68 : x
  2. Step 2: Convert to fraction form
    204,031.40/306,022.74 = 54,282.68/x
  3. Step 3: Cross multiply
    204,031.40x = 306,022.74 × 54,282.68
  4. Step 4: Simplify right side
    204,031.40x = 16,611,734,468.14
  5. Step 5: Solve for x
    x = 16,611,734,468.14/204,031.40
  6. Step 6: Final answer
    x = 81,417.54

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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.