Home / 204,029.20-306,043.80-70,922.91

Finding the Fourth Proportional to 204,029.20, 306,043.80 and 70,922.91

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Solution

The fourth proportional to 204,029.20, 306,043.80 and 70,922.91 is: 106,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,029.20 : 306,043.80 = 70,922.91 : x
  2. Step 2: Convert to fraction form
    204,029.20/306,043.80 = 70,922.91/x
  3. Step 3: Cross multiply
    204,029.20x = 306,043.80 × 70,922.91
  4. Step 4: Simplify right side
    204,029.20x = 21,705,516,883.46
  5. Step 5: Solve for x
    x = 21,705,516,883.46/204,029.20
  6. Step 6: Final answer
    x = 106,384.37

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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.