Home / 259,166.48-388,245.33-146,505.89

Finding the Fourth Proportional to 259,166.48, 388,245.33 and 146,505.89

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Solution

The fourth proportional to 259,166.48, 388,245.33 and 146,505.89 is: 219,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,166.48 : 388,245.33 = 146,505.89 : x
  2. Step 2: Convert to fraction form
    259,166.48/388,245.33 = 146,505.89/x
  3. Step 3: Cross multiply
    259,166.48x = 388,245.33 × 146,505.89
  4. Step 4: Simplify right side
    259,166.48x = 56,880,227,609.99
  5. Step 5: Solve for x
    x = 56,880,227,609.99/259,166.48
  6. Step 6: Final answer
    x = 219,473.71

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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.