Home / 187,788.72-259,151.88-101,749.44

Finding the Fourth Proportional to 187,788.72, 259,151.88 and 101,749.44

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Solution

The fourth proportional to 187,788.72, 259,151.88 and 101,749.44 is: 140,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.72 : 259,151.88 = 101,749.44 : x
  2. Step 2: Convert to fraction form
    187,788.72/259,151.88 = 101,749.44/x
  3. Step 3: Cross multiply
    187,788.72x = 259,151.88 × 101,749.44
  4. Step 4: Simplify right side
    187,788.72x = 26,368,558,664.95
  5. Step 5: Solve for x
    x = 26,368,558,664.95/187,788.72
  6. Step 6: Final answer
    x = 140,416.09

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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.