Home / 258,732.16-356,932.38-186,998.56

Finding the Fourth Proportional to 258,732.16, 356,932.38 and 186,998.56

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Solution

The fourth proportional to 258,732.16, 356,932.38 and 186,998.56 is: 257,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,732.16 : 356,932.38 = 186,998.56 : x
  2. Step 2: Convert to fraction form
    258,732.16/356,932.38 = 186,998.56/x
  3. Step 3: Cross multiply
    258,732.16x = 356,932.38 × 186,998.56
  4. Step 4: Simplify right side
    258,732.16x = 66,745,841,077.37
  5. Step 5: Solve for x
    x = 66,745,841,077.37/258,732.16
  6. Step 6: Final answer
    x = 257,972.73

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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.