Home / 306,829.86-423,323.73-179,415.24

Finding the Fourth Proportional to 306,829.86, 423,323.73 and 179,415.24

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Solution

The fourth proportional to 306,829.86, 423,323.73 and 179,415.24 is: 247,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,829.86 : 423,323.73 = 179,415.24 : x
  2. Step 2: Convert to fraction form
    306,829.86/423,323.73 = 179,415.24/x
  3. Step 3: Cross multiply
    306,829.86x = 423,323.73 × 179,415.24
  4. Step 4: Simplify right side
    306,829.86x = 75,950,728,615.65
  5. Step 5: Solve for x
    x = 75,950,728,615.65/306,829.86
  6. Step 6: Final answer
    x = 247,533.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.