Home / 129,598.28-194,430.22-54,679.86

Finding the Fourth Proportional to 129,598.28, 194,430.22 and 54,679.86

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Solution

The fourth proportional to 129,598.28, 194,430.22 and 54,679.86 is: 82,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,598.28 : 194,430.22 = 54,679.86 : x
  2. Step 2: Convert to fraction form
    129,598.28/194,430.22 = 54,679.86/x
  3. Step 3: Cross multiply
    129,598.28x = 194,430.22 × 54,679.86
  4. Step 4: Simplify right side
    129,598.28x = 10,631,417,380.24
  5. Step 5: Solve for x
    x = 10,631,417,380.24/129,598.28
  6. Step 6: Final answer
    x = 82,033.63

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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.