Home / 148,736.20-223,104.30-89,687.20

Finding the Fourth Proportional to 148,736.20, 223,104.30 and 89,687.20

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Solution

The fourth proportional to 148,736.20, 223,104.30 and 89,687.20 is: 134,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,736.20 : 223,104.30 = 89,687.20 : x
  2. Step 2: Convert to fraction form
    148,736.20/223,104.30 = 89,687.20/x
  3. Step 3: Cross multiply
    148,736.20x = 223,104.30 × 89,687.20
  4. Step 4: Simplify right side
    148,736.20x = 20,009,599,974.96
  5. Step 5: Solve for x
    x = 20,009,599,974.96/148,736.20
  6. Step 6: Final answer
    x = 134,530.80

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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.