Home / 132,960.69-183,517.25-76,404.87

Finding the Fourth Proportional to 132,960.69, 183,517.25 and 76,404.87

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Solution

The fourth proportional to 132,960.69, 183,517.25 and 76,404.87 is: 105,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,960.69 : 183,517.25 = 76,404.87 : x
  2. Step 2: Convert to fraction form
    132,960.69/183,517.25 = 76,404.87/x
  3. Step 3: Cross multiply
    132,960.69x = 183,517.25 × 76,404.87
  4. Step 4: Simplify right side
    132,960.69x = 14,021,611,246.98
  5. Step 5: Solve for x
    x = 14,021,611,246.98/132,960.69
  6. Step 6: Final answer
    x = 105,456.82

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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.