Home / 166,671.12-230,006.04-91,219.44

Finding the Fourth Proportional to 166,671.12, 230,006.04 and 91,219.44

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Solution

The fourth proportional to 166,671.12, 230,006.04 and 91,219.44 is: 125,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,671.12 : 230,006.04 = 91,219.44 : x
  2. Step 2: Convert to fraction form
    166,671.12/230,006.04 = 91,219.44/x
  3. Step 3: Cross multiply
    166,671.12x = 230,006.04 × 91,219.44
  4. Step 4: Simplify right side
    166,671.12x = 20,981,022,165.42
  5. Step 5: Solve for x
    x = 20,981,022,165.42/166,671.12
  6. Step 6: Final answer
    x = 125,882.77

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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.