Home / 165,777.36-228,704.28-115,505.52

Finding the Fourth Proportional to 165,777.36, 228,704.28 and 115,505.52

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Solution

The fourth proportional to 165,777.36, 228,704.28 and 115,505.52 is: 159,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.36 : 228,704.28 = 115,505.52 : x
  2. Step 2: Convert to fraction form
    165,777.36/228,704.28 = 115,505.52/x
  3. Step 3: Cross multiply
    165,777.36x = 228,704.28 × 115,505.52
  4. Step 4: Simplify right side
    165,777.36x = 26,416,606,787.63
  5. Step 5: Solve for x
    x = 26,416,606,787.63/165,777.36
  6. Step 6: Final answer
    x = 159,349.91

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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.