Home / 187,537.28-258,804.52-105,869.84

Finding the Fourth Proportional to 187,537.28, 258,804.52 and 105,869.84

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Solution

The fourth proportional to 187,537.28, 258,804.52 and 105,869.84 is: 146,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,537.28 : 258,804.52 = 105,869.84 : x
  2. Step 2: Convert to fraction form
    187,537.28/258,804.52 = 105,869.84/x
  3. Step 3: Cross multiply
    187,537.28x = 258,804.52 × 105,869.84
  4. Step 4: Simplify right side
    187,537.28x = 27,399,591,564.98
  5. Step 5: Solve for x
    x = 27,399,591,564.98/187,537.28
  6. Step 6: Final answer
    x = 146,102.11

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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.