Home / 160,450.80-240,912.68-89,511.96

Finding the Fourth Proportional to 160,450.80, 240,912.68 and 89,511.96

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Solution

The fourth proportional to 160,450.80, 240,912.68 and 89,511.96 is: 134,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,450.80 : 240,912.68 = 89,511.96 : x
  2. Step 2: Convert to fraction form
    160,450.80/240,912.68 = 89,511.96/x
  3. Step 3: Cross multiply
    160,450.80x = 240,912.68 × 89,511.96
  4. Step 4: Simplify right side
    160,450.80x = 21,564,566,175.65
  5. Step 5: Solve for x
    x = 21,564,566,175.65/160,450.80
  6. Step 6: Final answer
    x = 134,399.87

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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.