Home / 438,816.03-658,249.56-123,297.54

Finding the Fourth Proportional to 438,816.03, 658,249.56 and 123,297.54

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Solution

The fourth proportional to 438,816.03, 658,249.56 and 123,297.54 is: 184,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,816.03 : 658,249.56 = 123,297.54 : x
  2. Step 2: Convert to fraction form
    438,816.03/658,249.56 = 123,297.54/x
  3. Step 3: Cross multiply
    438,816.03x = 658,249.56 × 123,297.54
  4. Step 4: Simplify right side
    438,816.03x = 81,160,551,454.08
  5. Step 5: Solve for x
    x = 81,160,551,454.08/438,816.03
  6. Step 6: Final answer
    x = 184,953.48

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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.