Home / 82,600.44-123,026.40-82,197.72

Finding the Fourth Proportional to 82,600.44, 123,026.40 and 82,197.72

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Solution

The fourth proportional to 82,600.44, 123,026.40 and 82,197.72 is: 122,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.44 : 123,026.40 = 82,197.72 : x
  2. Step 2: Convert to fraction form
    82,600.44/123,026.40 = 82,197.72/x
  3. Step 3: Cross multiply
    82,600.44x = 123,026.40 × 82,197.72
  4. Step 4: Simplify right side
    82,600.44x = 10,112,489,579.81
  5. Step 5: Solve for x
    x = 10,112,489,579.81/82,600.44
  6. Step 6: Final answer
    x = 122,426.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.