Home / 148,961.10-223,447.05-43,790.70

Finding the Fourth Proportional to 148,961.10, 223,447.05 and 43,790.70

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Solution

The fourth proportional to 148,961.10, 223,447.05 and 43,790.70 is: 65,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.10 : 223,447.05 = 43,790.70 : x
  2. Step 2: Convert to fraction form
    148,961.10/223,447.05 = 43,790.70/x
  3. Step 3: Cross multiply
    148,961.10x = 223,447.05 × 43,790.70
  4. Step 4: Simplify right side
    148,961.10x = 9,784,902,732.44
  5. Step 5: Solve for x
    x = 9,784,902,732.44/148,961.10
  6. Step 6: Final answer
    x = 65,687.64

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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.