Home / 187,194.24-258,245.82-111,699

Finding the Fourth Proportional to 187,194.24, 258,245.82 and 111,699

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Solution

The fourth proportional to 187,194.24, 258,245.82 and 111,699 is: 154,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,194.24 : 258,245.82 = 111,699 : x
  2. Step 2: Convert to fraction form
    187,194.24/258,245.82 = 111,699/x
  3. Step 3: Cross multiply
    187,194.24x = 258,245.82 × 111,699
  4. Step 4: Simplify right side
    187,194.24x = 28,845,799,848.18
  5. Step 5: Solve for x
    x = 28,845,799,848.18/187,194.24
  6. Step 6: Final answer
    x = 154,095.55

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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.