Home / 172,292.25-258,438.39-53,972.82

Finding the Fourth Proportional to 172,292.25, 258,438.39 and 53,972.82

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Solution

The fourth proportional to 172,292.25, 258,438.39 and 53,972.82 is: 80,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,292.25 : 258,438.39 = 53,972.82 : x
  2. Step 2: Convert to fraction form
    172,292.25/258,438.39 = 53,972.82/x
  3. Step 3: Cross multiply
    172,292.25x = 258,438.39 × 53,972.82
  4. Step 4: Simplify right side
    172,292.25x = 13,948,648,704.56
  5. Step 5: Solve for x
    x = 13,948,648,704.56/172,292.25
  6. Step 6: Final answer
    x = 80,959.23

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1.5x scale

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.