Home / 164,689.47-227,183.82-100,178.43

Finding the Fourth Proportional to 164,689.47, 227,183.82 and 100,178.43

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Solution

The fourth proportional to 164,689.47, 227,183.82 and 100,178.43 is: 138,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,689.47 : 227,183.82 = 100,178.43 : x
  2. Step 2: Convert to fraction form
    164,689.47/227,183.82 = 100,178.43/x
  3. Step 3: Cross multiply
    164,689.47x = 227,183.82 × 100,178.43
  4. Step 4: Simplify right side
    164,689.47x = 22,758,918,409.00
  5. Step 5: Solve for x
    x = 22,758,918,409.00/164,689.47
  6. Step 6: Final answer
    x = 138,192.92

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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.