Home / 172,585.64-258,872.30-60,265.43

Finding the Fourth Proportional to 172,585.64, 258,872.30 and 60,265.43

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Solution

The fourth proportional to 172,585.64, 258,872.30 and 60,265.43 is: 90,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,585.64 : 258,872.30 = 60,265.43 : x
  2. Step 2: Convert to fraction form
    172,585.64/258,872.30 = 60,265.43/x
  3. Step 3: Cross multiply
    172,585.64x = 258,872.30 × 60,265.43
  4. Step 4: Simplify right side
    172,585.64x = 15,601,049,180.23
  5. Step 5: Solve for x
    x = 15,601,049,180.23/172,585.64
  6. Step 6: Final answer
    x = 90,395.99

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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.