Home / 146,736.96-220,138.08-53,240.64

Finding the Fourth Proportional to 146,736.96, 220,138.08 and 53,240.64

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Solution

The fourth proportional to 146,736.96, 220,138.08 and 53,240.64 is: 79,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,736.96 : 220,138.08 = 53,240.64 : x
  2. Step 2: Convert to fraction form
    146,736.96/220,138.08 = 53,240.64/x
  3. Step 3: Cross multiply
    146,736.96x = 220,138.08 × 53,240.64
  4. Step 4: Simplify right side
    146,736.96x = 11,720,292,267.57
  5. Step 5: Solve for x
    x = 11,720,292,267.57/146,736.96
  6. Step 6: Final answer
    x = 79,872.80

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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.