Home / 185,790.27-256,396.62-105,216.06

Finding the Fourth Proportional to 185,790.27, 256,396.62 and 105,216.06

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Solution

The fourth proportional to 185,790.27, 256,396.62 and 105,216.06 is: 145,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,790.27 : 256,396.62 = 105,216.06 : x
  2. Step 2: Convert to fraction form
    185,790.27/256,396.62 = 105,216.06/x
  3. Step 3: Cross multiply
    185,790.27x = 256,396.62 × 105,216.06
  4. Step 4: Simplify right side
    185,790.27x = 26,977,042,153.72
  5. Step 5: Solve for x
    x = 26,977,042,153.72/185,790.27
  6. Step 6: Final answer
    x = 145,201.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.