Home / 185,815.41-256,419.84-100,932.27

Finding the Fourth Proportional to 185,815.41, 256,419.84 and 100,932.27

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Solution

The fourth proportional to 185,815.41, 256,419.84 and 100,932.27 is: 139,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.41 : 256,419.84 = 100,932.27 : x
  2. Step 2: Convert to fraction form
    185,815.41/256,419.84 = 100,932.27/x
  3. Step 3: Cross multiply
    185,815.41x = 256,419.84 × 100,932.27
  4. Step 4: Simplify right side
    185,815.41x = 25,881,036,524.24
  5. Step 5: Solve for x
    x = 25,881,036,524.24/185,815.41
  6. Step 6: Final answer
    x = 139,283.59

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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.