Home / 187,729.76-259,076.40-116,147.04

Finding the Fourth Proportional to 187,729.76, 259,076.40 and 116,147.04

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Solution

The fourth proportional to 187,729.76, 259,076.40 and 116,147.04 is: 160,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,729.76 : 259,076.40 = 116,147.04 : x
  2. Step 2: Convert to fraction form
    187,729.76/259,076.40 = 116,147.04/x
  3. Step 3: Cross multiply
    187,729.76x = 259,076.40 × 116,147.04
  4. Step 4: Simplify right side
    187,729.76x = 30,090,956,993.86
  5. Step 5: Solve for x
    x = 30,090,956,993.86/187,729.76
  6. Step 6: Final answer
    x = 160,288.69

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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.