Home / 397,837.80-596,756.70-161,188.20

Finding the Fourth Proportional to 397,837.80, 596,756.70 and 161,188.20

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Solution

The fourth proportional to 397,837.80, 596,756.70 and 161,188.20 is: 241,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,837.80 : 596,756.70 = 161,188.20 : x
  2. Step 2: Convert to fraction form
    397,837.80/596,756.70 = 161,188.20/x
  3. Step 3: Cross multiply
    397,837.80x = 596,756.70 × 161,188.20
  4. Step 4: Simplify right side
    397,837.80x = 96,190,138,310.94
  5. Step 5: Solve for x
    x = 96,190,138,310.94/397,837.80
  6. Step 6: Final answer
    x = 241,782.30

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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.