Home / 166,961.20-250,441.80-82,737.40

Finding the Fourth Proportional to 166,961.20, 250,441.80 and 82,737.40

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Solution

The fourth proportional to 166,961.20, 250,441.80 and 82,737.40 is: 124,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.20 : 250,441.80 = 82,737.40 : x
  2. Step 2: Convert to fraction form
    166,961.20/250,441.80 = 82,737.40/x
  3. Step 3: Cross multiply
    166,961.20x = 250,441.80 × 82,737.40
  4. Step 4: Simplify right side
    166,961.20x = 20,720,903,383.32
  5. Step 5: Solve for x
    x = 20,720,903,383.32/166,961.20
  6. Step 6: Final answer
    x = 124,106.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.