Home / 189,022.38-283,586.11-82,415.65

Finding the Fourth Proportional to 189,022.38, 283,586.11 and 82,415.65

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Solution

The fourth proportional to 189,022.38, 283,586.11 and 82,415.65 is: 123,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022.38 : 283,586.11 = 82,415.65 : x
  2. Step 2: Convert to fraction form
    189,022.38/283,586.11 = 82,415.65/x
  3. Step 3: Cross multiply
    189,022.38x = 283,586.11 × 82,415.65
  4. Step 4: Simplify right side
    189,022.38x = 23,371,932,877.66
  5. Step 5: Solve for x
    x = 23,371,932,877.66/189,022.38
  6. Step 6: Final answer
    x = 123,646.38

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1.5x scale

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.