Home / 187,504.35-258,749.63-102,619.59

Finding the Fourth Proportional to 187,504.35, 258,749.63 and 102,619.59

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Solution

The fourth proportional to 187,504.35, 258,749.63 and 102,619.59 is: 141,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,504.35 : 258,749.63 = 102,619.59 : x
  2. Step 2: Convert to fraction form
    187,504.35/258,749.63 = 102,619.59/x
  3. Step 3: Cross multiply
    187,504.35x = 258,749.63 × 102,619.59
  4. Step 4: Simplify right side
    187,504.35x = 26,552,780,430.15
  5. Step 5: Solve for x
    x = 26,552,780,430.15/187,504.35
  6. Step 6: Final answer
    x = 141,611.54

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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.