Home / 187,705.73-258,826.34-119,614.85

Finding the Fourth Proportional to 187,705.73, 258,826.34 and 119,614.85

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Solution

The fourth proportional to 187,705.73, 258,826.34 and 119,614.85 is: 164,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,705.73 : 258,826.34 = 119,614.85 : x
  2. Step 2: Convert to fraction form
    187,705.73/258,826.34 = 119,614.85/x
  3. Step 3: Cross multiply
    187,705.73x = 258,826.34 × 119,614.85
  4. Step 4: Simplify right side
    187,705.73x = 30,959,473,835.15
  5. Step 5: Solve for x
    x = 30,959,473,835.15/187,705.73
  6. Step 6: Final answer
    x = 164,936.22

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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.