Home / 194,540.16-268,516.40-126,743.20

Finding the Fourth Proportional to 194,540.16, 268,516.40 and 126,743.20

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Solution

The fourth proportional to 194,540.16, 268,516.40 and 126,743.20 is: 174,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,540.16 : 268,516.40 = 126,743.20 : x
  2. Step 2: Convert to fraction form
    194,540.16/268,516.40 = 126,743.20/x
  3. Step 3: Cross multiply
    194,540.16x = 268,516.40 × 126,743.20
  4. Step 4: Simplify right side
    194,540.16x = 34,032,627,788.48
  5. Step 5: Solve for x
    x = 34,032,627,788.48/194,540.16
  6. Step 6: Final answer
    x = 174,938.83

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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.