Home / 198,324.32-273,586.16-126,628.96

Finding the Fourth Proportional to 198,324.32, 273,586.16 and 126,628.96

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Solution

The fourth proportional to 198,324.32, 273,586.16 and 126,628.96 is: 174,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,324.32 : 273,586.16 = 126,628.96 : x
  2. Step 2: Convert to fraction form
    198,324.32/273,586.16 = 126,628.96/x
  3. Step 3: Cross multiply
    198,324.32x = 273,586.16 × 126,628.96
  4. Step 4: Simplify right side
    198,324.32x = 34,643,930,911.19
  5. Step 5: Solve for x
    x = 34,643,930,911.19/198,324.32
  6. Step 6: Final answer
    x = 174,683.22

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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.