Home / 129,833.09-194,747.61-66,616.73

Finding the Fourth Proportional to 129,833.09, 194,747.61 and 66,616.73

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Solution

The fourth proportional to 129,833.09, 194,747.61 and 66,616.73 is: 99,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,833.09 : 194,747.61 = 66,616.73 : x
  2. Step 2: Convert to fraction form
    129,833.09/194,747.61 = 66,616.73/x
  3. Step 3: Cross multiply
    129,833.09x = 194,747.61 × 66,616.73
  4. Step 4: Simplify right side
    129,833.09x = 12,973,448,585.17
  5. Step 5: Solve for x
    x = 12,973,448,585.17/129,833.09
  6. Step 6: Final answer
    x = 99,924.05

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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.