Home / 220,828.48-331,196.28-71,082.16

Finding the Fourth Proportional to 220,828.48, 331,196.28 and 71,082.16

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Solution

The fourth proportional to 220,828.48, 331,196.28 and 71,082.16 is: 106,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828.48 : 331,196.28 = 71,082.16 : x
  2. Step 2: Convert to fraction form
    220,828.48/331,196.28 = 71,082.16/x
  3. Step 3: Cross multiply
    220,828.48x = 331,196.28 × 71,082.16
  4. Step 4: Simplify right side
    220,828.48x = 23,542,146,966.36
  5. Step 5: Solve for x
    x = 23,542,146,966.36/220,828.48
  6. Step 6: Final answer
    x = 106,608.29

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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.