Home / 337,121.92-505,642.56-87,823.36

Finding the Fourth Proportional to 337,121.92, 505,642.56 and 87,823.36

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Solution

The fourth proportional to 337,121.92, 505,642.56 and 87,823.36 is: 131,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,121.92 : 505,642.56 = 87,823.36 : x
  2. Step 2: Convert to fraction form
    337,121.92/505,642.56 = 87,823.36/x
  3. Step 3: Cross multiply
    337,121.92x = 505,642.56 × 87,823.36
  4. Step 4: Simplify right side
    337,121.92x = 44,407,228,578.20
  5. Step 5: Solve for x
    x = 44,407,228,578.20/337,121.92
  6. Step 6: Final answer
    x = 131,724.54

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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.