Home / 371,691.54-557,623.29-131,792.73

Finding the Fourth Proportional to 371,691.54, 557,623.29 and 131,792.73

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Solution

The fourth proportional to 371,691.54, 557,623.29 and 131,792.73 is: 197,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,691.54 : 557,623.29 = 131,792.73 : x
  2. Step 2: Convert to fraction form
    371,691.54/557,623.29 = 131,792.73/x
  3. Step 3: Cross multiply
    371,691.54x = 557,623.29 × 131,792.73
  4. Step 4: Simplify right side
    371,691.54x = 73,490,695,700.68
  5. Step 5: Solve for x
    x = 73,490,695,700.68/371,691.54
  6. Step 6: Final answer
    x = 197,719.58

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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.