Home / 398,770.44-597,914.67-158,921.25

Finding the Fourth Proportional to 398,770.44, 597,914.67 and 158,921.25

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Solution

The fourth proportional to 398,770.44, 597,914.67 and 158,921.25 is: 238,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,770.44 : 597,914.67 = 158,921.25 : x
  2. Step 2: Convert to fraction form
    398,770.44/597,914.67 = 158,921.25/x
  3. Step 3: Cross multiply
    398,770.44x = 597,914.67 × 158,921.25
  4. Step 4: Simplify right side
    398,770.44x = 95,021,346,749.74
  5. Step 5: Solve for x
    x = 95,021,346,749.74/398,770.44
  6. Step 6: Final answer
    x = 238,285.83

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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.