Home / 187,151.09-258,274.89-102,273.62

Finding the Fourth Proportional to 187,151.09, 258,274.89 and 102,273.62

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Solution

The fourth proportional to 187,151.09, 258,274.89 and 102,273.62 is: 141,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,151.09 : 258,274.89 = 102,273.62 : x
  2. Step 2: Convert to fraction form
    187,151.09/258,274.89 = 102,273.62/x
  3. Step 3: Cross multiply
    187,151.09x = 258,274.89 × 102,273.62
  4. Step 4: Simplify right side
    187,151.09x = 26,414,706,664.03
  5. Step 5: Solve for x
    x = 26,414,706,664.03/187,151.09
  6. Step 6: Final answer
    x = 141,141.08

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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.