Home / 187,849.30-259,231.41-101,810.80

Finding the Fourth Proportional to 187,849.30, 259,231.41 and 101,810.80

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Solution

The fourth proportional to 187,849.30, 259,231.41 and 101,810.80 is: 140,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,849.30 : 259,231.41 = 101,810.80 : x
  2. Step 2: Convert to fraction form
    187,849.30/259,231.41 = 101,810.80/x
  3. Step 3: Cross multiply
    187,849.30x = 259,231.41 × 101,810.80
  4. Step 4: Simplify right side
    187,849.30x = 26,392,557,237.23
  5. Step 5: Solve for x
    x = 26,392,557,237.23/187,849.30
  6. Step 6: Final answer
    x = 140,498.57

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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.