Home / 129,953.73-194,896.17-51,068.64

Finding the Fourth Proportional to 129,953.73, 194,896.17 and 51,068.64

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Solution

The fourth proportional to 129,953.73, 194,896.17 and 51,068.64 is: 76,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,953.73 : 194,896.17 = 51,068.64 : x
  2. Step 2: Convert to fraction form
    129,953.73/194,896.17 = 51,068.64/x
  3. Step 3: Cross multiply
    129,953.73x = 194,896.17 × 51,068.64
  4. Step 4: Simplify right side
    129,953.73x = 9,953,082,343.11
  5. Step 5: Solve for x
    x = 9,953,082,343.11/129,953.73
  6. Step 6: Final answer
    x = 76,589.43

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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.