Home / 399,226.14-598,758.23-146,420.56

Finding the Fourth Proportional to 399,226.14, 598,758.23 and 146,420.56

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Solution

The fourth proportional to 399,226.14, 598,758.23 and 146,420.56 is: 219,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,226.14 : 598,758.23 = 146,420.56 : x
  2. Step 2: Convert to fraction form
    399,226.14/598,758.23 = 146,420.56/x
  3. Step 3: Cross multiply
    399,226.14x = 598,758.23 × 146,420.56
  4. Step 4: Simplify right side
    399,226.14x = 87,670,515,632.09
  5. Step 5: Solve for x
    x = 87,670,515,632.09/399,226.14
  6. Step 6: Final answer
    x = 219,601.14

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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.