Home / 165,076.48-228,019.22-136,511.52

Finding the Fourth Proportional to 165,076.48, 228,019.22 and 136,511.52

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Solution

The fourth proportional to 165,076.48, 228,019.22 and 136,511.52 is: 188,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,076.48 : 228,019.22 = 136,511.52 : x
  2. Step 2: Convert to fraction form
    165,076.48/228,019.22 = 136,511.52/x
  3. Step 3: Cross multiply
    165,076.48x = 228,019.22 × 136,511.52
  4. Step 4: Simplify right side
    165,076.48x = 31,127,250,311.41
  5. Step 5: Solve for x
    x = 31,127,250,311.41/165,076.48
  6. Step 6: Final answer
    x = 188,562.60

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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.