Home / 178,564.48-268,019.52-131,324.80

Finding the Fourth Proportional to 178,564.48, 268,019.52 and 131,324.80

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Solution

The fourth proportional to 178,564.48, 268,019.52 and 131,324.80 is: 197,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,564.48 : 268,019.52 = 131,324.80 : x
  2. Step 2: Convert to fraction form
    178,564.48/268,019.52 = 131,324.80/x
  3. Step 3: Cross multiply
    178,564.48x = 268,019.52 × 131,324.80
  4. Step 4: Simplify right side
    178,564.48x = 35,197,609,860.10
  5. Step 5: Solve for x
    x = 35,197,609,860.10/178,564.48
  6. Step 6: Final answer
    x = 197,114.29

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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.