Home / 146,732.08-220,112.68-53,245.12

Finding the Fourth Proportional to 146,732.08, 220,112.68 and 53,245.12

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Solution

The fourth proportional to 146,732.08, 220,112.68 and 53,245.12 is: 79,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,732.08 : 220,112.68 = 53,245.12 : x
  2. Step 2: Convert to fraction form
    146,732.08/220,112.68 = 53,245.12/x
  3. Step 3: Cross multiply
    146,732.08x = 220,112.68 × 53,245.12
  4. Step 4: Simplify right side
    146,732.08x = 11,719,926,060.12
  5. Step 5: Solve for x
    x = 11,719,926,060.12/146,732.08
  6. Step 6: Final answer
    x = 79,872.96

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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.