Home / 393,016.92-589,467.96-193,283.70

Finding the Fourth Proportional to 393,016.92, 589,467.96 and 193,283.70

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Solution

The fourth proportional to 393,016.92, 589,467.96 and 193,283.70 is: 289,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,016.92 : 589,467.96 = 193,283.70 : x
  2. Step 2: Convert to fraction form
    393,016.92/589,467.96 = 193,283.70/x
  3. Step 3: Cross multiply
    393,016.92x = 589,467.96 × 193,283.70
  4. Step 4: Simplify right side
    393,016.92x = 113,934,548,340.25
  5. Step 5: Solve for x
    x = 113,934,548,340.25/393,016.92
  6. Step 6: Final answer
    x = 289,897.31

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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.