Home / 130,747.67-195,936.09-54,764.37

Finding the Fourth Proportional to 130,747.67, 195,936.09 and 54,764.37

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Solution

The fourth proportional to 130,747.67, 195,936.09 and 54,764.37 is: 82,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,747.67 : 195,936.09 = 54,764.37 : x
  2. Step 2: Convert to fraction form
    130,747.67/195,936.09 = 54,764.37/x
  3. Step 3: Cross multiply
    130,747.67x = 195,936.09 × 54,764.37
  4. Step 4: Simplify right side
    130,747.67x = 10,730,316,529.11
  5. Step 5: Solve for x
    x = 10,730,316,529.11/130,747.67
  6. Step 6: Final answer
    x = 82,068.90

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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.