Home / 146,486.47-219,553.91-75,442.54

Finding the Fourth Proportional to 146,486.47, 219,553.91 and 75,442.54

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Solution

The fourth proportional to 146,486.47, 219,553.91 and 75,442.54 is: 113,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,486.47 : 219,553.91 = 75,442.54 : x
  2. Step 2: Convert to fraction form
    146,486.47/219,553.91 = 75,442.54/x
  3. Step 3: Cross multiply
    146,486.47x = 219,553.91 × 75,442.54
  4. Step 4: Simplify right side
    146,486.47x = 16,563,704,637.33
  5. Step 5: Solve for x
    x = 16,563,704,637.33/146,486.47
  6. Step 6: Final answer
    x = 113,073.27

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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.