Home / 172,293.30-258,176.16-115,924.62

Finding the Fourth Proportional to 172,293.30, 258,176.16 and 115,924.62

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Solution

The fourth proportional to 172,293.30, 258,176.16 and 115,924.62 is: 173,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,293.30 : 258,176.16 = 115,924.62 : x
  2. Step 2: Convert to fraction form
    172,293.30/258,176.16 = 115,924.62/x
  3. Step 3: Cross multiply
    172,293.30x = 258,176.16 × 115,924.62
  4. Step 4: Simplify right side
    172,293.30x = 29,928,973,241.06
  5. Step 5: Solve for x
    x = 29,928,973,241.06/172,293.30
  6. Step 6: Final answer
    x = 173,709.44

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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.