Home / 133,862.92-200,891.64-107,881.36

Finding the Fourth Proportional to 133,862.92, 200,891.64 and 107,881.36

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Solution

The fourth proportional to 133,862.92, 200,891.64 and 107,881.36 is: 161,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,862.92 : 200,891.64 = 107,881.36 : x
  2. Step 2: Convert to fraction form
    133,862.92/200,891.64 = 107,881.36/x
  3. Step 3: Cross multiply
    133,862.92x = 200,891.64 × 107,881.36
  4. Step 4: Simplify right side
    133,862.92x = 21,672,463,335.83
  5. Step 5: Solve for x
    x = 21,672,463,335.83/133,862.92
  6. Step 6: Final answer
    x = 161,900.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.