Home / 231,965.10-320,265.36-178,153.56

Finding the Fourth Proportional to 231,965.10, 320,265.36 and 178,153.56

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Solution

The fourth proportional to 231,965.10, 320,265.36 and 178,153.56 is: 245,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,965.10 : 320,265.36 = 178,153.56 : x
  2. Step 2: Convert to fraction form
    231,965.10/320,265.36 = 178,153.56/x
  3. Step 3: Cross multiply
    231,965.10x = 320,265.36 × 178,153.56
  4. Step 4: Simplify right side
    231,965.10x = 57,056,414,028.68
  5. Step 5: Solve for x
    x = 57,056,414,028.68/231,965.10
  6. Step 6: Final answer
    x = 245,969.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.