Home / 231,161.96-346,777.40-71,224.51

Finding the Fourth Proportional to 231,161.96, 346,777.40 and 71,224.51

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Solution

The fourth proportional to 231,161.96, 346,777.40 and 71,224.51 is: 106,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,161.96 : 346,777.40 = 71,224.51 : x
  2. Step 2: Convert to fraction form
    231,161.96/346,777.40 = 71,224.51/x
  3. Step 3: Cross multiply
    231,161.96x = 346,777.40 × 71,224.51
  4. Step 4: Simplify right side
    231,161.96x = 24,699,051,005.61
  5. Step 5: Solve for x
    x = 24,699,051,005.61/231,161.96
  6. Step 6: Final answer
    x = 106,847.39

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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.