Home / 198,326.70-273,589.44-126,631.34

Finding the Fourth Proportional to 198,326.70, 273,589.44 and 126,631.34

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Solution

The fourth proportional to 198,326.70, 273,589.44 and 126,631.34 is: 174,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,326.70 : 273,589.44 = 126,631.34 : x
  2. Step 2: Convert to fraction form
    198,326.70/273,589.44 = 126,631.34/x
  3. Step 3: Cross multiply
    198,326.70x = 273,589.44 × 126,631.34
  4. Step 4: Simplify right side
    198,326.70x = 34,644,995,712.52
  5. Step 5: Solve for x
    x = 34,644,995,712.52/198,326.70
  6. Step 6: Final answer
    x = 174,686.50

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1.5x scale

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.