Home / 117,185.67-161,716.44-63,470.73

Finding the Fourth Proportional to 117,185.67, 161,716.44 and 63,470.73

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Solution

The fourth proportional to 117,185.67, 161,716.44 and 63,470.73 is: 87,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,185.67 : 161,716.44 = 63,470.73 : x
  2. Step 2: Convert to fraction form
    117,185.67/161,716.44 = 63,470.73/x
  3. Step 3: Cross multiply
    117,185.67x = 161,716.44 × 63,470.73
  4. Step 4: Simplify right side
    117,185.67x = 10,264,260,499.80
  5. Step 5: Solve for x
    x = 10,264,260,499.80/117,185.67
  6. Step 6: Final answer
    x = 87,589.72

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1.5x scale

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.