Home / 82,218.30-123,336.18-26,066.40

Finding the Fourth Proportional to 82,218.30, 123,336.18 and 26,066.40

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Solution

The fourth proportional to 82,218.30, 123,336.18 and 26,066.40 is: 39,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,218.30 : 123,336.18 = 26,066.40 : x
  2. Step 2: Convert to fraction form
    82,218.30/123,336.18 = 26,066.40/x
  3. Step 3: Cross multiply
    82,218.30x = 123,336.18 × 26,066.40
  4. Step 4: Simplify right side
    82,218.30x = 3,214,930,202.35
  5. Step 5: Solve for x
    x = 3,214,930,202.35/82,218.30
  6. Step 6: Final answer
    x = 39,102.37

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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.