Home / 160,890-241,352.28-72,183.12

Finding the Fourth Proportional to 160,890, 241,352.28 and 72,183.12

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Solution

The fourth proportional to 160,890, 241,352.28 and 72,183.12 is: 108,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890 : 241,352.28 = 72,183.12 : x
  2. Step 2: Convert to fraction form
    160,890/241,352.28 = 72,183.12/x
  3. Step 3: Cross multiply
    160,890x = 241,352.28 × 72,183.12
  4. Step 4: Simplify right side
    160,890x = 17,421,560,589.51
  5. Step 5: Solve for x
    x = 17,421,560,589.51/160,890
  6. Step 6: Final answer
    x = 108,282.43

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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.