Home / 185,949.21-256,608.91-105,391.97

Finding the Fourth Proportional to 185,949.21, 256,608.91 and 105,391.97

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Solution

The fourth proportional to 185,949.21, 256,608.91 and 105,391.97 is: 145,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,949.21 : 256,608.91 = 105,391.97 : x
  2. Step 2: Convert to fraction form
    185,949.21/256,608.91 = 105,391.97/x
  3. Step 3: Cross multiply
    185,949.21x = 256,608.91 × 105,391.97
  4. Step 4: Simplify right side
    185,949.21x = 27,044,518,544.45
  5. Step 5: Solve for x
    x = 27,044,518,544.45/185,949.21
  6. Step 6: Final answer
    x = 145,440.35

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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.