Home / 165,135.22-227,887.77-89,683.72

Finding the Fourth Proportional to 165,135.22, 227,887.77 and 89,683.72

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Solution

The fourth proportional to 165,135.22, 227,887.77 and 89,683.72 is: 123,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,135.22 : 227,887.77 = 89,683.72 : x
  2. Step 2: Convert to fraction form
    165,135.22/227,887.77 = 89,683.72/x
  3. Step 3: Cross multiply
    165,135.22x = 227,887.77 × 89,683.72
  4. Step 4: Simplify right side
    165,135.22x = 20,437,822,956.10
  5. Step 5: Solve for x
    x = 20,437,822,956.10/165,135.22
  6. Step 6: Final answer
    x = 123,764.17

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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.