Home / 165,815.55-228,644.78-112,007.16

Finding the Fourth Proportional to 165,815.55, 228,644.78 and 112,007.16

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Solution

The fourth proportional to 165,815.55, 228,644.78 and 112,007.16 is: 154,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815.55 : 228,644.78 = 112,007.16 : x
  2. Step 2: Convert to fraction form
    165,815.55/228,644.78 = 112,007.16/x
  3. Step 3: Cross multiply
    165,815.55x = 228,644.78 × 112,007.16
  4. Step 4: Simplify right side
    165,815.55x = 25,609,851,896.59
  5. Step 5: Solve for x
    x = 25,609,851,896.59/165,815.55
  6. Step 6: Final answer
    x = 154,447.83

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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.