Home / 146,849.20-220,331.40-53,364.40

Finding the Fourth Proportional to 146,849.20, 220,331.40 and 53,364.40

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Solution

The fourth proportional to 146,849.20, 220,331.40 and 53,364.40 is: 80,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,849.20 : 220,331.40 = 53,364.40 : x
  2. Step 2: Convert to fraction form
    146,849.20/220,331.40 = 53,364.40/x
  3. Step 3: Cross multiply
    146,849.20x = 220,331.40 × 53,364.40
  4. Step 4: Simplify right side
    146,849.20x = 11,757,852,962.16
  5. Step 5: Solve for x
    x = 11,757,852,962.16/146,849.20
  6. Step 6: Final answer
    x = 80,067.53

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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.