Home / 129,606.06-194,335.82-53,661.66

Finding the Fourth Proportional to 129,606.06, 194,335.82 and 53,661.66

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Solution

The fourth proportional to 129,606.06, 194,335.82 and 53,661.66 is: 80,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,606.06 : 194,335.82 = 53,661.66 : x
  2. Step 2: Convert to fraction form
    129,606.06/194,335.82 = 53,661.66/x
  3. Step 3: Cross multiply
    129,606.06x = 194,335.82 × 53,661.66
  4. Step 4: Simplify right side
    129,606.06x = 10,428,382,698.66
  5. Step 5: Solve for x
    x = 10,428,382,698.66/129,606.06
  6. Step 6: Final answer
    x = 80,462.15

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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.