Home / 114,286.77-171,428.31-31,180.77

Finding the Fourth Proportional to 114,286.77, 171,428.31 and 31,180.77

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Solution

The fourth proportional to 114,286.77, 171,428.31 and 31,180.77 is: 46,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,286.77 : 171,428.31 = 31,180.77 : x
  2. Step 2: Convert to fraction form
    114,286.77/171,428.31 = 31,180.77/x
  3. Step 3: Cross multiply
    114,286.77x = 171,428.31 × 31,180.77
  4. Step 4: Simplify right side
    114,286.77x = 5,345,266,705.60
  5. Step 5: Solve for x
    x = 5,345,266,705.60/114,286.77
  6. Step 6: Final answer
    x = 46,770.65

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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.