Home / 227,943.93-314,553.78-131,178.95

Finding the Fourth Proportional to 227,943.93, 314,553.78 and 131,178.95

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Solution

The fourth proportional to 227,943.93, 314,553.78 and 131,178.95 is: 181,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,943.93 : 314,553.78 = 131,178.95 : x
  2. Step 2: Convert to fraction form
    227,943.93/314,553.78 = 131,178.95/x
  3. Step 3: Cross multiply
    227,943.93x = 314,553.78 × 131,178.95
  4. Step 4: Simplify right side
    227,943.93x = 41,262,834,578.93
  5. Step 5: Solve for x
    x = 41,262,834,578.93/227,943.93
  6. Step 6: Final answer
    x = 181,021.86

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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.