Home / 129,583.78-194,295.48-50,605.14

Finding the Fourth Proportional to 129,583.78, 194,295.48 and 50,605.14

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Solution

The fourth proportional to 129,583.78, 194,295.48 and 50,605.14 is: 75,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,583.78 : 194,295.48 = 50,605.14 : x
  2. Step 2: Convert to fraction form
    129,583.78/194,295.48 = 50,605.14/x
  3. Step 3: Cross multiply
    129,583.78x = 194,295.48 × 50,605.14
  4. Step 4: Simplify right side
    129,583.78x = 9,832,349,424.12
  5. Step 5: Solve for x
    x = 9,832,349,424.12/129,583.78
  6. Step 6: Final answer
    x = 75,876.39

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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.