Home / 185,760.94-256,343.25-100,876.18

Finding the Fourth Proportional to 185,760.94, 256,343.25 and 100,876.18

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Solution

The fourth proportional to 185,760.94, 256,343.25 and 100,876.18 is: 139,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,760.94 : 256,343.25 = 100,876.18 : x
  2. Step 2: Convert to fraction form
    185,760.94/256,343.25 = 100,876.18/x
  3. Step 3: Cross multiply
    185,760.94x = 256,343.25 × 100,876.18
  4. Step 4: Simplify right side
    185,760.94x = 25,858,927,828.79
  5. Step 5: Solve for x
    x = 25,858,927,828.79/185,760.94
  6. Step 6: Final answer
    x = 139,205.41

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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.