Home / 148,961.60-223,447.80-43,791.20

Finding the Fourth Proportional to 148,961.60, 223,447.80 and 43,791.20

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Solution

The fourth proportional to 148,961.60, 223,447.80 and 43,791.20 is: 65,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.60 : 223,447.80 = 43,791.20 : x
  2. Step 2: Convert to fraction form
    148,961.60/223,447.80 = 43,791.20/x
  3. Step 3: Cross multiply
    148,961.60x = 223,447.80 × 43,791.20
  4. Step 4: Simplify right side
    148,961.60x = 9,785,047,299.36
  5. Step 5: Solve for x
    x = 9,785,047,299.36/148,961.60
  6. Step 6: Final answer
    x = 65,688.39

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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.