Home / 336,743.48-465,212.08-220,732.31

Finding the Fourth Proportional to 336,743.48, 465,212.08 and 220,732.31

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Solution

The fourth proportional to 336,743.48, 465,212.08 and 220,732.31 is: 304,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,743.48 : 465,212.08 = 220,732.31 : x
  2. Step 2: Convert to fraction form
    336,743.48/465,212.08 = 220,732.31/x
  3. Step 3: Cross multiply
    336,743.48x = 465,212.08 × 220,732.31
  4. Step 4: Simplify right side
    336,743.48x = 102,687,337,669.50
  5. Step 5: Solve for x
    x = 102,687,337,669.50/336,743.48
  6. Step 6: Final answer
    x = 304,942.32

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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.