Home / 171,763.73-257,521.03-115,464.19

Finding the Fourth Proportional to 171,763.73, 257,521.03 and 115,464.19

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Solution

The fourth proportional to 171,763.73, 257,521.03 and 115,464.19 is: 173,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,763.73 : 257,521.03 = 115,464.19 : x
  2. Step 2: Convert to fraction form
    171,763.73/257,521.03 = 115,464.19/x
  3. Step 3: Cross multiply
    171,763.73x = 257,521.03 × 115,464.19
  4. Step 4: Simplify right side
    171,763.73x = 29,734,457,136.92
  5. Step 5: Solve for x
    x = 29,734,457,136.92/171,763.73
  6. Step 6: Final answer
    x = 173,112.55

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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.