Home / 129,505.03-194,285.33-73,372.03

Finding the Fourth Proportional to 129,505.03, 194,285.33 and 73,372.03

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Solution

The fourth proportional to 129,505.03, 194,285.33 and 73,372.03 is: 110,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.03 : 194,285.33 = 73,372.03 : x
  2. Step 2: Convert to fraction form
    129,505.03/194,285.33 = 73,372.03/x
  3. Step 3: Cross multiply
    129,505.03x = 194,285.33 × 73,372.03
  4. Step 4: Simplify right side
    129,505.03x = 14,255,108,896.61
  5. Step 5: Solve for x
    x = 14,255,108,896.61/129,505.03
  6. Step 6: Final answer
    x = 110,073.79

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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.