Home / 187,537.76-258,804.96-102,662.72

Finding the Fourth Proportional to 187,537.76, 258,804.96 and 102,662.72

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Solution

The fourth proportional to 187,537.76, 258,804.96 and 102,662.72 is: 141,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,537.76 : 258,804.96 = 102,662.72 : x
  2. Step 2: Convert to fraction form
    187,537.76/258,804.96 = 102,662.72/x
  3. Step 3: Cross multiply
    187,537.76x = 258,804.96 × 102,662.72
  4. Step 4: Simplify right side
    187,537.76x = 26,569,621,143.09
  5. Step 5: Solve for x
    x = 26,569,621,143.09/187,537.76
  6. Step 6: Final answer
    x = 141,676.11

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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.