Home / 146,548.80-219,896.10-57,805.20

Finding the Fourth Proportional to 146,548.80, 219,896.10 and 57,805.20

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Solution

The fourth proportional to 146,548.80, 219,896.10 and 57,805.20 is: 86,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,548.80 : 219,896.10 = 57,805.20 : x
  2. Step 2: Convert to fraction form
    146,548.80/219,896.10 = 57,805.20/x
  3. Step 3: Cross multiply
    146,548.80x = 219,896.10 × 57,805.20
  4. Step 4: Simplify right side
    146,548.80x = 12,711,138,039.72
  5. Step 5: Solve for x
    x = 12,711,138,039.72/146,548.80
  6. Step 6: Final answer
    x = 86,736.55

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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.