Home / 394,740.57-592,148.37-110,431.18

Finding the Fourth Proportional to 394,740.57, 592,148.37 and 110,431.18

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Solution

The fourth proportional to 394,740.57, 592,148.37 and 110,431.18 is: 165,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,740.57 : 592,148.37 = 110,431.18 : x
  2. Step 2: Convert to fraction form
    394,740.57/592,148.37 = 110,431.18/x
  3. Step 3: Cross multiply
    394,740.57x = 592,148.37 × 110,431.18
  4. Step 4: Simplify right side
    394,740.57x = 65,391,644,388.48
  5. Step 5: Solve for x
    x = 65,391,644,388.48/394,740.57
  6. Step 6: Final answer
    x = 165,657.27

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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.