Home / 187,764.66-259,125.60-107,218.06

Finding the Fourth Proportional to 187,764.66, 259,125.60 and 107,218.06

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Solution

The fourth proportional to 187,764.66, 259,125.60 and 107,218.06 is: 147,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.66 : 259,125.60 = 107,218.06 : x
  2. Step 2: Convert to fraction form
    187,764.66/259,125.60 = 107,218.06/x
  3. Step 3: Cross multiply
    187,764.66x = 259,125.60 × 107,218.06
  4. Step 4: Simplify right side
    187,764.66x = 27,782,944,128.34
  5. Step 5: Solve for x
    x = 27,782,944,128.34/187,764.66
  6. Step 6: Final answer
    x = 147,966.84

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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.