Home / 149,273.92-206,000.64-82,205.76

Finding the Fourth Proportional to 149,273.92, 206,000.64 and 82,205.76

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Solution

The fourth proportional to 149,273.92, 206,000.64 and 82,205.76 is: 113,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,273.92 : 206,000.64 = 82,205.76 : x
  2. Step 2: Convert to fraction form
    149,273.92/206,000.64 = 82,205.76/x
  3. Step 3: Cross multiply
    149,273.92x = 206,000.64 × 82,205.76
  4. Step 4: Simplify right side
    149,273.92x = 16,934,439,171.69
  5. Step 5: Solve for x
    x = 16,934,439,171.69/149,273.92
  6. Step 6: Final answer
    x = 113,445.40

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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.