Home / 106,207.20-159,310.80-104,133.60

Finding the Fourth Proportional to 106,207.20, 159,310.80 and 104,133.60

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Solution

The fourth proportional to 106,207.20, 159,310.80 and 104,133.60 is: 156,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,207.20 : 159,310.80 = 104,133.60 : x
  2. Step 2: Convert to fraction form
    106,207.20/159,310.80 = 104,133.60/x
  3. Step 3: Cross multiply
    106,207.20x = 159,310.80 × 104,133.60
  4. Step 4: Simplify right side
    106,207.20x = 16,589,607,122.88
  5. Step 5: Solve for x
    x = 16,589,607,122.88/106,207.20
  6. Step 6: Final answer
    x = 156,200.40

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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.