Home / 142,696.41-196,922.49-86,096.85

Finding the Fourth Proportional to 142,696.41, 196,922.49 and 86,096.85

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Solution

The fourth proportional to 142,696.41, 196,922.49 and 86,096.85 is: 118,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,696.41 : 196,922.49 = 86,096.85 : x
  2. Step 2: Convert to fraction form
    142,696.41/196,922.49 = 86,096.85/x
  3. Step 3: Cross multiply
    142,696.41x = 196,922.49 × 86,096.85
  4. Step 4: Simplify right side
    142,696.41x = 16,954,404,668.06
  5. Step 5: Solve for x
    x = 16,954,404,668.06/142,696.41
  6. Step 6: Final answer
    x = 118,814.52

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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.