Home / 285,064.03-393,325.86-170,325.43

Finding the Fourth Proportional to 285,064.03, 393,325.86 and 170,325.43

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Solution

The fourth proportional to 285,064.03, 393,325.86 and 170,325.43 is: 235,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,064.03 : 393,325.86 = 170,325.43 : x
  2. Step 2: Convert to fraction form
    285,064.03/393,325.86 = 170,325.43/x
  3. Step 3: Cross multiply
    285,064.03x = 393,325.86 × 170,325.43
  4. Step 4: Simplify right side
    285,064.03x = 66,993,396,234.62
  5. Step 5: Solve for x
    x = 66,993,396,234.62/285,064.03
  6. Step 6: Final answer
    x = 235,011.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.