Home / 185,775.64-256,369.26-100,891.96

Finding the Fourth Proportional to 185,775.64, 256,369.26 and 100,891.96

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Solution

The fourth proportional to 185,775.64, 256,369.26 and 100,891.96 is: 139,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,775.64 : 256,369.26 = 100,891.96 : x
  2. Step 2: Convert to fraction form
    185,775.64/256,369.26 = 100,891.96/x
  3. Step 3: Cross multiply
    185,775.64x = 256,369.26 × 100,891.96
  4. Step 4: Simplify right side
    185,775.64x = 25,865,597,125.15
  5. Step 5: Solve for x
    x = 25,865,597,125.15/185,775.64
  6. Step 6: Final answer
    x = 139,230.29

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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.