Home / 252,014.10-378,021.15-168,033.30

Finding the Fourth Proportional to 252,014.10, 378,021.15 and 168,033.30

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Solution

The fourth proportional to 252,014.10, 378,021.15 and 168,033.30 is: 252,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,014.10 : 378,021.15 = 168,033.30 : x
  2. Step 2: Convert to fraction form
    252,014.10/378,021.15 = 168,033.30/x
  3. Step 3: Cross multiply
    252,014.10x = 378,021.15 × 168,033.30
  4. Step 4: Simplify right side
    252,014.10x = 63,520,141,304.30
  5. Step 5: Solve for x
    x = 63,520,141,304.30/252,014.10
  6. Step 6: Final answer
    x = 252,049.95

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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.