Home / 444,815.70-667,288.35-145,310.10

Finding the Fourth Proportional to 444,815.70, 667,288.35 and 145,310.10

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Solution

The fourth proportional to 444,815.70, 667,288.35 and 145,310.10 is: 217,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,815.70 : 667,288.35 = 145,310.10 : x
  2. Step 2: Convert to fraction form
    444,815.70/667,288.35 = 145,310.10/x
  3. Step 3: Cross multiply
    444,815.70x = 667,288.35 × 145,310.10
  4. Step 4: Simplify right side
    444,815.70x = 96,963,736,867.34
  5. Step 5: Solve for x
    x = 96,963,736,867.34/444,815.70
  6. Step 6: Final answer
    x = 217,986.32

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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.