Home / 187,433.73-258,659.24-102,550.80

Finding the Fourth Proportional to 187,433.73, 258,659.24 and 102,550.80

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Solution

The fourth proportional to 187,433.73, 258,659.24 and 102,550.80 is: 141,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.73 : 258,659.24 = 102,550.80 : x
  2. Step 2: Convert to fraction form
    187,433.73/258,659.24 = 102,550.80/x
  3. Step 3: Cross multiply
    187,433.73x = 258,659.24 × 102,550.80
  4. Step 4: Simplify right side
    187,433.73x = 26,525,711,989.39
  5. Step 5: Solve for x
    x = 26,525,711,989.39/187,433.73
  6. Step 6: Final answer
    x = 141,520.48

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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.