Home / 124,731.91-187,323.33-115,234

Finding the Fourth Proportional to 124,731.91, 187,323.33 and 115,234

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Solution

The fourth proportional to 124,731.91, 187,323.33 and 115,234 is: 173,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,731.91 : 187,323.33 = 115,234 : x
  2. Step 2: Convert to fraction form
    124,731.91/187,323.33 = 115,234/x
  3. Step 3: Cross multiply
    124,731.91x = 187,323.33 × 115,234
  4. Step 4: Simplify right side
    124,731.91x = 21,586,016,609.22
  5. Step 5: Solve for x
    x = 21,586,016,609.22/124,731.91
  6. Step 6: Final answer
    x = 173,059.30

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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.