Home / 198,059.18-273,295.40-112,029.89

Finding the Fourth Proportional to 198,059.18, 273,295.40 and 112,029.89

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Solution

The fourth proportional to 198,059.18, 273,295.40 and 112,029.89 is: 154,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,059.18 : 273,295.40 = 112,029.89 : x
  2. Step 2: Convert to fraction form
    198,059.18/273,295.40 = 112,029.89/x
  3. Step 3: Cross multiply
    198,059.18x = 273,295.40 × 112,029.89
  4. Step 4: Simplify right side
    198,059.18x = 30,617,251,672.88
  5. Step 5: Solve for x
    x = 30,617,251,672.88/198,059.18
  6. Step 6: Final answer
    x = 154,586.38

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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.