Home / 187,764.90-259,115.67-102,881.94

Finding the Fourth Proportional to 187,764.90, 259,115.67 and 102,881.94

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Solution

The fourth proportional to 187,764.90, 259,115.67 and 102,881.94 is: 141,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.90 : 259,115.67 = 102,881.94 : x
  2. Step 2: Convert to fraction form
    187,764.90/259,115.67 = 102,881.94/x
  3. Step 3: Cross multiply
    187,764.90x = 259,115.67 × 102,881.94
  4. Step 4: Simplify right side
    187,764.90x = 26,658,322,814.00
  5. Step 5: Solve for x
    x = 26,658,322,814.00/187,764.90
  6. Step 6: Final answer
    x = 141,977.14

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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.