Home / 171,629.55-236,861.26-103,663.06

Finding the Fourth Proportional to 171,629.55, 236,861.26 and 103,663.06

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Solution

The fourth proportional to 171,629.55, 236,861.26 and 103,663.06 is: 143,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.55 : 236,861.26 = 103,663.06 : x
  2. Step 2: Convert to fraction form
    171,629.55/236,861.26 = 103,663.06/x
  3. Step 3: Cross multiply
    171,629.55x = 236,861.26 × 103,663.06
  4. Step 4: Simplify right side
    171,629.55x = 24,553,763,007.06
  5. Step 5: Solve for x
    x = 24,553,763,007.06/171,629.55
  6. Step 6: Final answer
    x = 143,062.56

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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.