Home / 165,630.39-228,651.88-114,682.18

Finding the Fourth Proportional to 165,630.39, 228,651.88 and 114,682.18

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Solution

The fourth proportional to 165,630.39, 228,651.88 and 114,682.18 is: 158,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.39 : 228,651.88 = 114,682.18 : x
  2. Step 2: Convert to fraction form
    165,630.39/228,651.88 = 114,682.18/x
  3. Step 3: Cross multiply
    165,630.39x = 228,651.88 × 114,682.18
  4. Step 4: Simplify right side
    165,630.39x = 26,222,295,361.10
  5. Step 5: Solve for x
    x = 26,222,295,361.10/165,630.39
  6. Step 6: Final answer
    x = 158,318.14

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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.