Home / 165,840.80-228,679.62-112,032.44

Finding the Fourth Proportional to 165,840.80, 228,679.62 and 112,032.44

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Solution

The fourth proportional to 165,840.80, 228,679.62 and 112,032.44 is: 154,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,840.80 : 228,679.62 = 112,032.44 : x
  2. Step 2: Convert to fraction form
    165,840.80/228,679.62 = 112,032.44/x
  3. Step 3: Cross multiply
    165,840.80x = 228,679.62 × 112,032.44
  4. Step 4: Simplify right side
    165,840.80x = 25,619,535,806.87
  5. Step 5: Solve for x
    x = 25,619,535,806.87/165,840.80
  6. Step 6: Final answer
    x = 154,482.71

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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.