Home / 82,151.01-123,226.92-25,988.85

Finding the Fourth Proportional to 82,151.01, 123,226.92 and 25,988.85

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Solution

The fourth proportional to 82,151.01, 123,226.92 and 25,988.85 is: 38,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,151.01 : 123,226.92 = 25,988.85 : x
  2. Step 2: Convert to fraction form
    82,151.01/123,226.92 = 25,988.85/x
  3. Step 3: Cross multiply
    82,151.01x = 123,226.92 × 25,988.85
  4. Step 4: Simplify right side
    82,151.01x = 3,202,525,939.84
  5. Step 5: Solve for x
    x = 3,202,525,939.84/82,151.01
  6. Step 6: Final answer
    x = 38,983.40

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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.