Home / 161,279.70-241,725.15-82,353.30

Finding the Fourth Proportional to 161,279.70, 241,725.15 and 82,353.30

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Solution

The fourth proportional to 161,279.70, 241,725.15 and 82,353.30 is: 123,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,279.70 : 241,725.15 = 82,353.30 : x
  2. Step 2: Convert to fraction form
    161,279.70/241,725.15 = 82,353.30/x
  3. Step 3: Cross multiply
    161,279.70x = 241,725.15 × 82,353.30
  4. Step 4: Simplify right side
    161,279.70x = 19,906,863,795.50
  5. Step 5: Solve for x
    x = 19,906,863,795.50/161,279.70
  6. Step 6: Final answer
    x = 123,430.68

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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.