Home / 252,209.07-378,425.04-132,237.35

Finding the Fourth Proportional to 252,209.07, 378,425.04 and 132,237.35

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Solution

The fourth proportional to 252,209.07, 378,425.04 and 132,237.35 is: 198,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,209.07 : 378,425.04 = 132,237.35 : x
  2. Step 2: Convert to fraction form
    252,209.07/378,425.04 = 132,237.35/x
  3. Step 3: Cross multiply
    252,209.07x = 378,425.04 × 132,237.35
  4. Step 4: Simplify right side
    252,209.07x = 50,041,922,571.12
  5. Step 5: Solve for x
    x = 50,041,922,571.12/252,209.07
  6. Step 6: Final answer
    x = 198,414.44

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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.