Home / 129,644.45-194,548.69-50,756.63

Finding the Fourth Proportional to 129,644.45, 194,548.69 and 50,756.63

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Solution

The fourth proportional to 129,644.45, 194,548.69 and 50,756.63 is: 76,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,644.45 : 194,548.69 = 50,756.63 : x
  2. Step 2: Convert to fraction form
    129,644.45/194,548.69 = 50,756.63/x
  3. Step 3: Cross multiply
    129,644.45x = 194,548.69 × 50,756.63
  4. Step 4: Simplify right side
    129,644.45x = 9,874,634,680.51
  5. Step 5: Solve for x
    x = 9,874,634,680.51/129,644.45
  6. Step 6: Final answer
    x = 76,167.05

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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.