Home / 434,738.20-652,107.30-119,194.60

Finding the Fourth Proportional to 434,738.20, 652,107.30 and 119,194.60

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Solution

The fourth proportional to 434,738.20, 652,107.30 and 119,194.60 is: 178,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,738.20 : 652,107.30 = 119,194.60 : x
  2. Step 2: Convert to fraction form
    434,738.20/652,107.30 = 119,194.60/x
  3. Step 3: Cross multiply
    434,738.20x = 652,107.30 × 119,194.60
  4. Step 4: Simplify right side
    434,738.20x = 77,727,668,780.58
  5. Step 5: Solve for x
    x = 77,727,668,780.58/434,738.20
  6. Step 6: Final answer
    x = 178,791.90

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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.