Home / 274,040.14-378,223.52-159,354.27

Finding the Fourth Proportional to 274,040.14, 378,223.52 and 159,354.27

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Solution

The fourth proportional to 274,040.14, 378,223.52 and 159,354.27 is: 219,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,040.14 : 378,223.52 = 159,354.27 : x
  2. Step 2: Convert to fraction form
    274,040.14/378,223.52 = 159,354.27/x
  3. Step 3: Cross multiply
    274,040.14x = 378,223.52 × 159,354.27
  4. Step 4: Simplify right side
    274,040.14x = 60,271,532,926.43
  5. Step 5: Solve for x
    x = 60,271,532,926.43/274,040.14
  6. Step 6: Final answer
    x = 219,936.88

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1.5x scale

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.