Home / 198,217.25-273,535.91-112,174.63

Finding the Fourth Proportional to 198,217.25, 273,535.91 and 112,174.63

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Solution

The fourth proportional to 198,217.25, 273,535.91 and 112,174.63 is: 154,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,217.25 : 273,535.91 = 112,174.63 : x
  2. Step 2: Convert to fraction form
    198,217.25/273,535.91 = 112,174.63/x
  3. Step 3: Cross multiply
    198,217.25x = 273,535.91 × 112,174.63
  4. Step 4: Simplify right side
    198,217.25x = 30,683,789,495.96
  5. Step 5: Solve for x
    x = 30,683,789,495.96/198,217.25
  6. Step 6: Final answer
    x = 154,798.79

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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.