Home / 143,793.72-198,427.08-82,526.94

Finding the Fourth Proportional to 143,793.72, 198,427.08 and 82,526.94

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Solution

The fourth proportional to 143,793.72, 198,427.08 and 82,526.94 is: 113,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,793.72 : 198,427.08 = 82,526.94 : x
  2. Step 2: Convert to fraction form
    143,793.72/198,427.08 = 82,526.94/x
  3. Step 3: Cross multiply
    143,793.72x = 198,427.08 × 82,526.94
  4. Step 4: Simplify right side
    143,793.72x = 16,375,579,725.54
  5. Step 5: Solve for x
    x = 16,375,579,725.54/143,793.72
  6. Step 6: Final answer
    x = 113,882.44

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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.