Home / 412,436.82-569,169.54-231,189.06

Finding the Fourth Proportional to 412,436.82, 569,169.54 and 231,189.06

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Solution

The fourth proportional to 412,436.82, 569,169.54 and 231,189.06 is: 319,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,436.82 : 569,169.54 = 231,189.06 : x
  2. Step 2: Convert to fraction form
    412,436.82/569,169.54 = 231,189.06/x
  3. Step 3: Cross multiply
    412,436.82x = 569,169.54 × 231,189.06
  4. Step 4: Simplify right side
    412,436.82x = 131,585,770,933.23
  5. Step 5: Solve for x
    x = 131,585,770,933.23/412,436.82
  6. Step 6: Final answer
    x = 319,044.67

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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.