Home / 187,904.43-259,318.71-111,468.78

Finding the Fourth Proportional to 187,904.43, 259,318.71 and 111,468.78

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Solution

The fourth proportional to 187,904.43, 259,318.71 and 111,468.78 is: 153,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,904.43 : 259,318.71 = 111,468.78 : x
  2. Step 2: Convert to fraction form
    187,904.43/259,318.71 = 111,468.78/x
  3. Step 3: Cross multiply
    187,904.43x = 259,318.71 × 111,468.78
  4. Step 4: Simplify right side
    187,904.43x = 28,905,940,234.87
  5. Step 5: Solve for x
    x = 28,905,940,234.87/187,904.43
  6. Step 6: Final answer
    x = 153,833.20

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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.