Home / 231,086.45-346,628.77-73,327.21

Finding the Fourth Proportional to 231,086.45, 346,628.77 and 73,327.21

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Solution

The fourth proportional to 231,086.45, 346,628.77 and 73,327.21 is: 109,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,086.45 : 346,628.77 = 73,327.21 : x
  2. Step 2: Convert to fraction form
    231,086.45/346,628.77 = 73,327.21/x
  3. Step 3: Cross multiply
    231,086.45x = 346,628.77 × 73,327.21
  4. Step 4: Simplify right side
    231,086.45x = 25,417,319,559.94
  5. Step 5: Solve for x
    x = 25,417,319,559.94/231,086.45
  6. Step 6: Final answer
    x = 109,990.52

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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.