Home / 132,942.25-183,460.44-76,364.56

Finding the Fourth Proportional to 132,942.25, 183,460.44 and 76,364.56

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Solution

The fourth proportional to 132,942.25, 183,460.44 and 76,364.56 is: 105,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.25 : 183,460.44 = 76,364.56 : x
  2. Step 2: Convert to fraction form
    132,942.25/183,460.44 = 76,364.56/x
  3. Step 3: Cross multiply
    132,942.25x = 183,460.44 × 76,364.56
  4. Step 4: Simplify right side
    132,942.25x = 14,009,875,778.01
  5. Step 5: Solve for x
    x = 14,009,875,778.01/132,942.25
  6. Step 6: Final answer
    x = 105,383.17

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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.