Home / 133,092.20-199,346.70-115,596.20

Finding the Fourth Proportional to 133,092.20, 199,346.70 and 115,596.20

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Solution

The fourth proportional to 133,092.20, 199,346.70 and 115,596.20 is: 173,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,092.20 : 199,346.70 = 115,596.20 : x
  2. Step 2: Convert to fraction form
    133,092.20/199,346.70 = 115,596.20/x
  3. Step 3: Cross multiply
    133,092.20x = 199,346.70 × 115,596.20
  4. Step 4: Simplify right side
    133,092.20x = 23,043,721,002.54
  5. Step 5: Solve for x
    x = 23,043,721,002.54/133,092.20
  6. Step 6: Final answer
    x = 173,141.03

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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.