Home / 130,936.67-196,491.14-71,813.87

Finding the Fourth Proportional to 130,936.67, 196,491.14 and 71,813.87

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Solution

The fourth proportional to 130,936.67, 196,491.14 and 71,813.87 is: 107,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,936.67 : 196,491.14 = 71,813.87 : x
  2. Step 2: Convert to fraction form
    130,936.67/196,491.14 = 71,813.87/x
  3. Step 3: Cross multiply
    130,936.67x = 196,491.14 × 71,813.87
  4. Step 4: Simplify right side
    130,936.67x = 14,110,787,842.59
  5. Step 5: Solve for x
    x = 14,110,787,842.59/130,936.67
  6. Step 6: Final answer
    x = 107,768.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.