Home / 132,619.14-183,010.19-78,891.84

Finding the Fourth Proportional to 132,619.14, 183,010.19 and 78,891.84

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Solution

The fourth proportional to 132,619.14, 183,010.19 and 78,891.84 is: 108,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.14 : 183,010.19 = 78,891.84 : x
  2. Step 2: Convert to fraction form
    132,619.14/183,010.19 = 78,891.84/x
  3. Step 3: Cross multiply
    132,619.14x = 183,010.19 × 78,891.84
  4. Step 4: Simplify right side
    132,619.14x = 14,438,010,233.39
  5. Step 5: Solve for x
    x = 14,438,010,233.39/132,619.14
  6. Step 6: Final answer
    x = 108,868.22

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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.