Home / 206,619.18-285,052.14-126,040.38

Finding the Fourth Proportional to 206,619.18, 285,052.14 and 126,040.38

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Solution

The fourth proportional to 206,619.18, 285,052.14 and 126,040.38 is: 173,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,619.18 : 285,052.14 = 126,040.38 : x
  2. Step 2: Convert to fraction form
    206,619.18/285,052.14 = 126,040.38/x
  3. Step 3: Cross multiply
    206,619.18x = 285,052.14 × 126,040.38
  4. Step 4: Simplify right side
    206,619.18x = 35,928,080,045.41
  5. Step 5: Solve for x
    x = 35,928,080,045.41/206,619.18
  6. Step 6: Final answer
    x = 173,885.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.