Home / 129,718.41-194,652.63-54,833.69

Finding the Fourth Proportional to 129,718.41, 194,652.63 and 54,833.69

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Solution

The fourth proportional to 129,718.41, 194,652.63 and 54,833.69 is: 82,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,718.41 : 194,652.63 = 54,833.69 : x
  2. Step 2: Convert to fraction form
    129,718.41/194,652.63 = 54,833.69/x
  3. Step 3: Cross multiply
    129,718.41x = 194,652.63 × 54,833.69
  4. Step 4: Simplify right side
    129,718.41x = 10,673,520,997.84
  5. Step 5: Solve for x
    x = 10,673,520,997.84/129,718.41
  6. Step 6: Final answer
    x = 82,282.24

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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.