Home / 106,811.94-160,179.60-31,918.14

Finding the Fourth Proportional to 106,811.94, 160,179.60 and 31,918.14

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Solution

The fourth proportional to 106,811.94, 160,179.60 and 31,918.14 is: 47,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,811.94 : 160,179.60 = 31,918.14 : x
  2. Step 2: Convert to fraction form
    106,811.94/160,179.60 = 31,918.14/x
  3. Step 3: Cross multiply
    106,811.94x = 160,179.60 × 31,918.14
  4. Step 4: Simplify right side
    106,811.94x = 5,112,634,897.94
  5. Step 5: Solve for x
    x = 5,112,634,897.94/106,811.94
  6. Step 6: Final answer
    x = 47,865.76

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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.