Home / 753,181.96-1,129,772-192,216.48

Finding the Fourth Proportional to 753,181.96, 1,129,772 and 192,216.48

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Solution

The fourth proportional to 753,181.96, 1,129,772 and 192,216.48 is: 288,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,181.96 : 1,129,772 = 192,216.48 : x
  2. Step 2: Convert to fraction form
    753,181.96/1,129,772 = 192,216.48/x
  3. Step 3: Cross multiply
    753,181.96x = 1,129,772 × 192,216.48
  4. Step 4: Simplify right side
    753,181.96x = 217,160,797,042.56
  5. Step 5: Solve for x
    x = 217,160,797,042.56/753,181.96
  6. Step 6: Final answer
    x = 288,324.48

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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.