Home / 412,966.20-619,295.70-163,596.60

Finding the Fourth Proportional to 412,966.20, 619,295.70 and 163,596.60

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Solution

The fourth proportional to 412,966.20, 619,295.70 and 163,596.60 is: 245,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,966.20 : 619,295.70 = 163,596.60 : x
  2. Step 2: Convert to fraction form
    412,966.20/619,295.70 = 163,596.60/x
  3. Step 3: Cross multiply
    412,966.20x = 619,295.70 × 163,596.60
  4. Step 4: Simplify right side
    412,966.20x = 101,314,670,914.62
  5. Step 5: Solve for x
    x = 101,314,670,914.62/412,966.20
  6. Step 6: Final answer
    x = 245,334.05

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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.