Home / 82,191.54-123,282.68-22,219.13

Finding the Fourth Proportional to 82,191.54, 123,282.68 and 22,219.13

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Solution

The fourth proportional to 82,191.54, 123,282.68 and 22,219.13 is: 33,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191.54 : 123,282.68 = 22,219.13 : x
  2. Step 2: Convert to fraction form
    82,191.54/123,282.68 = 22,219.13/x
  3. Step 3: Cross multiply
    82,191.54x = 123,282.68 × 22,219.13
  4. Step 4: Simplify right side
    82,191.54x = 2,739,233,221.71
  5. Step 5: Solve for x
    x = 2,739,233,221.71/82,191.54
  6. Step 6: Final answer
    x = 33,327.44

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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.