Home / 165,163.78-227,925.82-93,557.61

Finding the Fourth Proportional to 165,163.78, 227,925.82 and 93,557.61

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Solution

The fourth proportional to 165,163.78, 227,925.82 and 93,557.61 is: 129,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,163.78 : 227,925.82 = 93,557.61 : x
  2. Step 2: Convert to fraction form
    165,163.78/227,925.82 = 93,557.61/x
  3. Step 3: Cross multiply
    165,163.78x = 227,925.82 × 93,557.61
  4. Step 4: Simplify right side
    165,163.78x = 21,324,194,976.49
  5. Step 5: Solve for x
    x = 21,324,194,976.49/165,163.78
  6. Step 6: Final answer
    x = 129,109.39

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1.5x scale

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.