Home / 161,140.56-241,685.88-82,313.04

Finding the Fourth Proportional to 161,140.56, 241,685.88 and 82,313.04

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Solution

The fourth proportional to 161,140.56, 241,685.88 and 82,313.04 is: 123,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140.56 : 241,685.88 = 82,313.04 : x
  2. Step 2: Convert to fraction form
    161,140.56/241,685.88 = 82,313.04/x
  3. Step 3: Cross multiply
    161,140.56x = 241,685.88 × 82,313.04
  4. Step 4: Simplify right side
    161,140.56x = 19,893,899,507.88
  5. Step 5: Solve for x
    x = 19,893,899,507.88/161,140.56
  6. Step 6: Final answer
    x = 123,456.81

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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.