Home / 394,647.08-591,872.09-154,809.72

Finding the Fourth Proportional to 394,647.08, 591,872.09 and 154,809.72

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Solution

The fourth proportional to 394,647.08, 591,872.09 and 154,809.72 is: 232,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,647.08 : 591,872.09 = 154,809.72 : x
  2. Step 2: Convert to fraction form
    394,647.08/591,872.09 = 154,809.72/x
  3. Step 3: Cross multiply
    394,647.08x = 591,872.09 × 154,809.72
  4. Step 4: Simplify right side
    394,647.08x = 91,627,551,754.67
  5. Step 5: Solve for x
    x = 91,627,551,754.67/394,647.08
  6. Step 6: Final answer
    x = 232,175.93

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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.