Home / 187,076.23-258,164.76-102,193.90

Finding the Fourth Proportional to 187,076.23, 258,164.76 and 102,193.90

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Solution

The fourth proportional to 187,076.23, 258,164.76 and 102,193.90 is: 141,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.23 : 258,164.76 = 102,193.90 : x
  2. Step 2: Convert to fraction form
    187,076.23/258,164.76 = 102,193.90/x
  3. Step 3: Cross multiply
    187,076.23x = 258,164.76 × 102,193.90
  4. Step 4: Simplify right side
    187,076.23x = 26,382,863,666.96
  5. Step 5: Solve for x
    x = 26,382,863,666.96/187,076.23
  6. Step 6: Final answer
    x = 141,027.34

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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.