Home / 155,954.05-233,945.80-43,634.28

Finding the Fourth Proportional to 155,954.05, 233,945.80 and 43,634.28

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Solution

The fourth proportional to 155,954.05, 233,945.80 and 43,634.28 is: 65,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,954.05 : 233,945.80 = 43,634.28 : x
  2. Step 2: Convert to fraction form
    155,954.05/233,945.80 = 43,634.28/x
  3. Step 3: Cross multiply
    155,954.05x = 233,945.80 × 43,634.28
  4. Step 4: Simplify right side
    155,954.05x = 10,208,056,542.02
  5. Step 5: Solve for x
    x = 10,208,056,542.02/155,954.05
  6. Step 6: Final answer
    x = 65,455.54

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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.