Home / 107,260.20-160,890.30-82,425.60

Finding the Fourth Proportional to 107,260.20, 160,890.30 and 82,425.60

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Solution

The fourth proportional to 107,260.20, 160,890.30 and 82,425.60 is: 123,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,260.20 : 160,890.30 = 82,425.60 : x
  2. Step 2: Convert to fraction form
    107,260.20/160,890.30 = 82,425.60/x
  3. Step 3: Cross multiply
    107,260.20x = 160,890.30 × 82,425.60
  4. Step 4: Simplify right side
    107,260.20x = 13,261,479,511.68
  5. Step 5: Solve for x
    x = 13,261,479,511.68/107,260.20
  6. Step 6: Final answer
    x = 123,638.40

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1.5x scale

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.