Home / 146,439.12-202,078.08-82,773.12

Finding the Fourth Proportional to 146,439.12, 202,078.08 and 82,773.12

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Solution

The fourth proportional to 146,439.12, 202,078.08 and 82,773.12 is: 114,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,439.12 : 202,078.08 = 82,773.12 : x
  2. Step 2: Convert to fraction form
    146,439.12/202,078.08 = 82,773.12/x
  3. Step 3: Cross multiply
    146,439.12x = 202,078.08 × 82,773.12
  4. Step 4: Simplify right side
    146,439.12x = 16,726,633,165.21
  5. Step 5: Solve for x
    x = 16,726,633,165.21/146,439.12
  6. Step 6: Final answer
    x = 114,222.44

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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.