Home / 320,833.04-442,735.24-177,582.96

Finding the Fourth Proportional to 320,833.04, 442,735.24 and 177,582.96

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Solution

The fourth proportional to 320,833.04, 442,735.24 and 177,582.96 is: 245,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,833.04 : 442,735.24 = 177,582.96 : x
  2. Step 2: Convert to fraction form
    320,833.04/442,735.24 = 177,582.96/x
  3. Step 3: Cross multiply
    320,833.04x = 442,735.24 × 177,582.96
  4. Step 4: Simplify right side
    320,833.04x = 78,622,234,415.51
  5. Step 5: Solve for x
    x = 78,622,234,415.51/320,833.04
  6. Step 6: Final answer
    x = 245,056.54

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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.