Home / 161,930.43-242,898.12-73,122.03

Finding the Fourth Proportional to 161,930.43, 242,898.12 and 73,122.03

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Solution

The fourth proportional to 161,930.43, 242,898.12 and 73,122.03 is: 109,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.43 : 242,898.12 = 73,122.03 : x
  2. Step 2: Convert to fraction form
    161,930.43/242,898.12 = 73,122.03/x
  3. Step 3: Cross multiply
    161,930.43x = 242,898.12 × 73,122.03
  4. Step 4: Simplify right side
    161,930.43x = 17,761,203,617.58
  5. Step 5: Solve for x
    x = 17,761,203,617.58/161,930.43
  6. Step 6: Final answer
    x = 109,684.16

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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.