Home / 394,382.57-591,336.89-154,210.35

Finding the Fourth Proportional to 394,382.57, 591,336.89 and 154,210.35

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Solution

The fourth proportional to 394,382.57, 591,336.89 and 154,210.35 is: 231,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,382.57 : 591,336.89 = 154,210.35 : x
  2. Step 2: Convert to fraction form
    394,382.57/591,336.89 = 154,210.35/x
  3. Step 3: Cross multiply
    394,382.57x = 591,336.89 × 154,210.35
  4. Step 4: Simplify right side
    394,382.57x = 91,190,266,203.65
  5. Step 5: Solve for x
    x = 91,190,266,203.65/394,382.57
  6. Step 6: Final answer
    x = 231,222.86

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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.