Home / 148,659.20-223,015.80-48,791.60

Finding the Fourth Proportional to 148,659.20, 223,015.80 and 48,791.60

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Solution

The fourth proportional to 148,659.20, 223,015.80 and 48,791.60 is: 73,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,659.20 : 223,015.80 = 48,791.60 : x
  2. Step 2: Convert to fraction form
    148,659.20/223,015.80 = 48,791.60/x
  3. Step 3: Cross multiply
    148,659.20x = 223,015.80 × 48,791.60
  4. Step 4: Simplify right side
    148,659.20x = 10,881,297,707.28
  5. Step 5: Solve for x
    x = 10,881,297,707.28/148,659.20
  6. Step 6: Final answer
    x = 73,196.26

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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.