Home / 164,627.52-227,197.35-100,121.96

Finding the Fourth Proportional to 164,627.52, 227,197.35 and 100,121.96

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Solution

The fourth proportional to 164,627.52, 227,197.35 and 100,121.96 is: 138,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,627.52 : 227,197.35 = 100,121.96 : x
  2. Step 2: Convert to fraction form
    164,627.52/227,197.35 = 100,121.96/x
  3. Step 3: Cross multiply
    164,627.52x = 227,197.35 × 100,121.96
  4. Step 4: Simplify right side
    164,627.52x = 22,747,442,852.82
  5. Step 5: Solve for x
    x = 22,747,442,852.82/164,627.52
  6. Step 6: Final answer
    x = 138,175.21

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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.