Home / 146,163.20-219,331.20-52,656.80

Finding the Fourth Proportional to 146,163.20, 219,331.20 and 52,656.80

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Solution

The fourth proportional to 146,163.20, 219,331.20 and 52,656.80 is: 79,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,163.20 : 219,331.20 = 52,656.80 : x
  2. Step 2: Convert to fraction form
    146,163.20/219,331.20 = 52,656.80/x
  3. Step 3: Cross multiply
    146,163.20x = 219,331.20 × 52,656.80
  4. Step 4: Simplify right side
    146,163.20x = 11,549,279,132.16
  5. Step 5: Solve for x
    x = 11,549,279,132.16/146,163.20
  6. Step 6: Final answer
    x = 79,016.33

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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.