Home / 132,942.03-183,458.79-76,353.81

Finding the Fourth Proportional to 132,942.03, 183,458.79 and 76,353.81

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Solution

The fourth proportional to 132,942.03, 183,458.79 and 76,353.81 is: 105,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.03 : 183,458.79 = 76,353.81 : x
  2. Step 2: Convert to fraction form
    132,942.03/183,458.79 = 76,353.81/x
  3. Step 3: Cross multiply
    132,942.03x = 183,458.79 × 76,353.81
  4. Step 4: Simplify right side
    132,942.03x = 14,007,777,594.49
  5. Step 5: Solve for x
    x = 14,007,777,594.49/132,942.03
  6. Step 6: Final answer
    x = 105,367.56

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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.