Home / 274,295.63-378,604.07-159,596.43

Finding the Fourth Proportional to 274,295.63, 378,604.07 and 159,596.43

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Solution

The fourth proportional to 274,295.63, 378,604.07 and 159,596.43 is: 220,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,295.63 : 378,604.07 = 159,596.43 : x
  2. Step 2: Convert to fraction form
    274,295.63/378,604.07 = 159,596.43/x
  3. Step 3: Cross multiply
    274,295.63x = 378,604.07 × 159,596.43
  4. Step 4: Simplify right side
    274,295.63x = 60,423,857,157.49
  5. Step 5: Solve for x
    x = 60,423,857,157.49/274,295.63
  6. Step 6: Final answer
    x = 220,287.35

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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.