Home / 124,730.91-187,321.83-115,233

Finding the Fourth Proportional to 124,730.91, 187,321.83 and 115,233

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Solution

The fourth proportional to 124,730.91, 187,321.83 and 115,233 is: 173,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.91 : 187,321.83 = 115,233 : x
  2. Step 2: Convert to fraction form
    124,730.91/187,321.83 = 115,233/x
  3. Step 3: Cross multiply
    124,730.91x = 187,321.83 × 115,233
  4. Step 4: Simplify right side
    124,730.91x = 21,585,656,436.39
  5. Step 5: Solve for x
    x = 21,585,656,436.39/124,730.91
  6. Step 6: Final answer
    x = 173,057.80

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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.