Home / 243,971.96-365,976.43-75,509.33

Finding the Fourth Proportional to 243,971.96, 365,976.43 and 75,509.33

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Solution

The fourth proportional to 243,971.96, 365,976.43 and 75,509.33 is: 113,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.96 : 365,976.43 = 75,509.33 : x
  2. Step 2: Convert to fraction form
    243,971.96/365,976.43 = 75,509.33/x
  3. Step 3: Cross multiply
    243,971.96x = 365,976.43 × 75,509.33
  4. Step 4: Simplify right side
    243,971.96x = 27,634,633,998.92
  5. Step 5: Solve for x
    x = 27,634,633,998.92/243,971.96
  6. Step 6: Final answer
    x = 113,269.71

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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.