Home / 159,821.82-239,769.54-47,499.66

Finding the Fourth Proportional to 159,821.82, 239,769.54 and 47,499.66

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Solution

The fourth proportional to 159,821.82, 239,769.54 and 47,499.66 is: 71,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821.82 : 239,769.54 = 47,499.66 : x
  2. Step 2: Convert to fraction form
    159,821.82/239,769.54 = 47,499.66/x
  3. Step 3: Cross multiply
    159,821.82x = 239,769.54 × 47,499.66
  4. Step 4: Simplify right side
    159,821.82x = 11,388,971,628.36
  5. Step 5: Solve for x
    x = 11,388,971,628.36/159,821.82
  6. Step 6: Final answer
    x = 71,260.43

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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.