Home / 187,747.88-259,092.07-102,866.90

Finding the Fourth Proportional to 187,747.88, 259,092.07 and 102,866.90

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Solution

The fourth proportional to 187,747.88, 259,092.07 and 102,866.90 is: 141,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,747.88 : 259,092.07 = 102,866.90 : x
  2. Step 2: Convert to fraction form
    187,747.88/259,092.07 = 102,866.90/x
  3. Step 3: Cross multiply
    187,747.88x = 259,092.07 × 102,866.90
  4. Step 4: Simplify right side
    187,747.88x = 26,651,996,502.86
  5. Step 5: Solve for x
    x = 26,651,996,502.86/187,747.88
  6. Step 6: Final answer
    x = 141,956.32

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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.