Home / 132,949.92-183,463.68-76,361.31

Finding the Fourth Proportional to 132,949.92, 183,463.68 and 76,361.31

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Solution

The fourth proportional to 132,949.92, 183,463.68 and 76,361.31 is: 105,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949.92 : 183,463.68 = 76,361.31 : x
  2. Step 2: Convert to fraction form
    132,949.92/183,463.68 = 76,361.31/x
  3. Step 3: Cross multiply
    132,949.92x = 183,463.68 × 76,361.31
  4. Step 4: Simplify right side
    132,949.92x = 14,009,526,942.22
  5. Step 5: Solve for x
    x = 14,009,526,942.22/132,949.92
  6. Step 6: Final answer
    x = 105,374.47

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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.