Home / 161,721.10-242,581.65-114,481.90

Finding the Fourth Proportional to 161,721.10, 242,581.65 and 114,481.90

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Solution

The fourth proportional to 161,721.10, 242,581.65 and 114,481.90 is: 171,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,721.10 : 242,581.65 = 114,481.90 : x
  2. Step 2: Convert to fraction form
    161,721.10/242,581.65 = 114,481.90/x
  3. Step 3: Cross multiply
    161,721.10x = 242,581.65 × 114,481.90
  4. Step 4: Simplify right side
    161,721.10x = 27,771,208,197.14
  5. Step 5: Solve for x
    x = 27,771,208,197.14/161,721.10
  6. Step 6: Final answer
    x = 171,722.85

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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.