Home / 380,110.20-570,092.40-113,879.40

Finding the Fourth Proportional to 380,110.20, 570,092.40 and 113,879.40

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Solution

The fourth proportional to 380,110.20, 570,092.40 and 113,879.40 is: 170,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,110.20 : 570,092.40 = 113,879.40 : x
  2. Step 2: Convert to fraction form
    380,110.20/570,092.40 = 113,879.40/x
  3. Step 3: Cross multiply
    380,110.20x = 570,092.40 × 113,879.40
  4. Step 4: Simplify right side
    380,110.20x = 64,921,780,456.56
  5. Step 5: Solve for x
    x = 64,921,780,456.56/380,110.20
  6. Step 6: Final answer
    x = 170,797.26

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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.