Home / 82,141.19-123,233.64-25,982.30

Finding the Fourth Proportional to 82,141.19, 123,233.64 and 25,982.30

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Solution

The fourth proportional to 82,141.19, 123,233.64 and 25,982.30 is: 38,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,141.19 : 123,233.64 = 25,982.30 : x
  2. Step 2: Convert to fraction form
    82,141.19/123,233.64 = 25,982.30/x
  3. Step 3: Cross multiply
    82,141.19x = 123,233.64 × 25,982.30
  4. Step 4: Simplify right side
    82,141.19x = 3,201,893,615.22
  5. Step 5: Solve for x
    x = 3,201,893,615.22/82,141.19
  6. Step 6: Final answer
    x = 38,980.37

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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.