Home / 106,991.36-160,508.64-73,727.36

Finding the Fourth Proportional to 106,991.36, 160,508.64 and 73,727.36

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Solution

The fourth proportional to 106,991.36, 160,508.64 and 73,727.36 is: 110,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,991.36 : 160,508.64 = 73,727.36 : x
  2. Step 2: Convert to fraction form
    106,991.36/160,508.64 = 73,727.36/x
  3. Step 3: Cross multiply
    106,991.36x = 160,508.64 × 73,727.36
  4. Step 4: Simplify right side
    106,991.36x = 11,833,878,284.39
  5. Step 5: Solve for x
    x = 11,833,878,284.39/106,991.36
  6. Step 6: Final answer
    x = 110,605.92

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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.