Home / 132,944.35-183,463.78-72,516.29

Finding the Fourth Proportional to 132,944.35, 183,463.78 and 72,516.29

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Solution

The fourth proportional to 132,944.35, 183,463.78 and 72,516.29 is: 100,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,944.35 : 183,463.78 = 72,516.29 : x
  2. Step 2: Convert to fraction form
    132,944.35/183,463.78 = 72,516.29/x
  3. Step 3: Cross multiply
    132,944.35x = 183,463.78 × 72,516.29
  4. Step 4: Simplify right side
    132,944.35x = 13,304,112,674.98
  5. Step 5: Solve for x
    x = 13,304,112,674.98/132,944.35
  6. Step 6: Final answer
    x = 100,072.79

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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.